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Master Lock

The MasterLock 421 is perfect for lockout by multiple workers at each lockout point. Keeps equipment inoperative while repairs or adjustments are made and control cannot be turned on until last worker's padlock is removed from hasp.

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Attributes

Brand name, Manufacturer name, Extra Product NameMaster Lock
ManufacturerMaster Lock MASTER LOCK MASTER LOCK CO Master Lock Company Master Lock Company Llc Master Lock, LLC
DimensionUnitinch
GraingerSku40CL94
UPC071649613876 71649613876
UnitOfMeasureEA
Weight2.89 0.1984160358 0.2 0.20 0.20062065842 0.201042200783774 0.201042200783774008 0.220462262 0.23 0.8 0.80 1.0 1.00 1.3999353637 1.39993536370 1.5 1.50
WeightUnitlbs
cali_prop65_orglabel, cali_prop65_whtlabel, AdultProduct, Autographed, Batteries_included, Batteries_required, Memorabilia, TradeInEligibleFalse
countryOfOriginCN
height5.2
jsonUrlData924526ffbdad25e5923b
length4.4
moq, multiple, tierMinQty1, NumberOfItems, Number_of_items, Number_of_pieces1
MPN, Mpns, PartNumber, Part_number, StrippedMpns421 5T591
qtyInStock3023
qtyInStockOverride-2
SKUG0067901
tierPrice114.10
urlhttps://www.zoro.com/master-lock-1-12-jaw-clearance-steel-lockout-hasp-421/i/G0067901/
width2.5
Part Number, CatalogNumberList, ModelNumber, Model_name, Model_number421
Product GroupHome Improvement
ItemLockout Hasp
Lockout Hasp StyleSnap-On
Closed Hasp Hole Size, Closed Jaw Hole Size1 1/2 in
Max Number of Padlocks, Maximum Number of Padlocks6
MaterialSteel Alloy Steel Vinyl
ColorRed 421 Silver
Length5 in 1.2 13.21 17.2 17.20 21.5 21.50 3.0 4.29921259404 4.3 4.30 4.799999995104 5.0787401523 5.2 5.20 5.20078739627 5.9842519624
Width2 3/8 in 1000 1200 140 1500 2.3599999975928 2.4015748007 2.49999999745 2.5 2.50 2.5984251942 2000 3.8188976339 357 375 4.3 4.30 4.4 42 500 54 56 6.1 6.35 75 9.7
Padlock Shackle Max Dia, For Maximum Padlock Shackle Diameter3/8 in
OSHA CompliantYes
StandardsOSHA 1910.147
Coating MaterialVinyl
LegendNo legend
Length (Straight Wireway), Overall Length5 in
Lockout Material FinishVinyl Coated
Overall Width2 3/8 in
Hasp TypeStandard
Product TypeStandard Hasp
Hasp Closure TypeScissor Action
Resistance PropertiesTamper Resistant
Lockout MaterialSteel
Lockout ColorRed
Opening Size1.5 in
Country of Origin (subject to change)China
ASINB000H5S1SG B0013GCYQ8 B002YH1J1G B007NAFZU0 B007OXFWUE B00CB3MUZC B00QT2PMMY B01N02IHEF B07TXPBYM5 B082TNGHTD
Amount0.00 15.99 19.99 24.99 25.99 7.14 7.50 7.99 8.99 9.99
AsinB000H5S1SG B0013GCYQ8 B002YH1J1G B007OXFWUE B00CB3MUZC B00IELM5GE B00QT2PMMY B00QWA4P9Y B01N02IHEF B07TXPBYM5 B082TNGHTD
BindingElectronics Misc. Tools & Hardware
BrandMaster Lock Master Lock Company
Bullet_pointBest used for group lockout applications as part of a comprehensive OSHA compliant lockout tagout safety program; Accommodates up to 6 workers Control cannot be turned on until last worker's safety padlock is removed from hasp Control cannot be turned on until the last worker's safety padlock is removed from lockout hasp Dimensions: 2-3/8 in. (60 mm) W x 5 in. (127 mm) L, with 1-1/2 in. (38 mm) inside jaw diameter; Accepts shackle diameter of up to 9/32 in. (7 mm); Holds up to six safety padlocks; Safety padlocks sold separately Heavy gauge steel jaw with red vinyl coated handle Heavy gauge steel with vinyl coated handle Keeps equipment inoperative while repairs or adjustments are being made Lockout by multiple workers at each lockout point Made in China Master Lock #421 Steel Lockout Hasp Secure each lockout point to ensure equipment is inoperative while repairs or adjustments are made
Case, PackageQuantity1 3 4 5 6
CatIndustrial & Scientific Tools & Home Improvement
CatId16310091 228013
CatTree1265106011 16310091 16310161 228013 3180231 318135011 468240 511228 511378
ClassificationId3410779011 511384 511386 524136
Control_methodapplication
Controller_typeHand Control
Currency, CurrencyCodeUSD
DepartmentSafety
DisplayNameDevices Hasps Keyed Padlocks Security & Surveillance
EAN, EANList, UPCList71649613876
FeaturePrice For: Each Hasp Type : Scissor-Action Jaw Type : Single Jaw Maximum Number of Padlocks : 6 Material : Steel Color : Red Overall Length (Inch) : 5 Six holes for padlocks (sold separately) provide the ability to require multiple authorizations to allow access to one locked out device or energy source Steel Lockout Hasps, Steel/Vinyl, 2 3/8 in, Red
Generic_keywordcomponents mechanical
Height0.2399999997552 0.4724409444 1.181102361 1.1811023610 10.92 1000 12.9 1200 15.2 1500 2.5 2.50 2000 250 4.29921259404 5.2 5.20 5.20078739627 500 56 59 65 75
Identifier00071649613876 0071649613876 071649613876 20071649613870
IdentifierTypeEAN GTIN UPC
Included_components421 Keys
ItemClassificationBASE_PRODUCT
ItemName, Item_nameMASTER LOCK 5T591 Lockout Hasp, 1.5 In MASTER LOCK Steel Safety Lockout Hasp Master Lock 421 Lockout Tagout Hasp with Vinyl-Coated Handle and Extended Jaw, Red Master Lock Lockout Hasp, Safety #421 (6-Pack) Master Lock Safety Lockout Steel Boxed Master Lock Safety Series 1½" Jaw Steel Lockout Hasp
Item_display_weight0.09 0.24
Item_package_quantity1 4 5 6
Item_package_weight0.1 0.2 0.635 0.8 1.0 1.5
Item_shapeSquare
Item_type_keywordhardware-hasps industrial-lockout-tagout-devices padlocks security-and-surveillance-products
Item_type_nameLockout Tagout Device
Item_weight0.09 0.0911912084 0.2 0.8 1.0
Keyword421 5T591 G3189094 ML411
Label, Publisher, StudioMASTER LOCK MASTER LOCK CO Master Lock Master Lock Company Master Lock Company Llc Master Lock, LLC
Linkhttps://m.media-amazon.com/images/I/21v89MUA2uL._SL75_.jpg https://m.media-amazon.com/images/I/21v89MUA2uL.jpg https://m.media-amazon.com/images/I/31DS2Ke9WAS._SL75_.jpg https://m.media-amazon.com/images/I/31DS2Ke9WAS.jpg https://m.media-amazon.com/images/I/412rhqISwXL._SL75_.jpg https://m.media-amazon.com/images/I/412rhqISwXL.jpg https://m.media-amazon.com/images/I/41DuuYKWLnL._SL75_.jpg https://m.media-amazon.com/images/I/41DuuYKWLnL.jpg https://m.media-amazon.com/images/I/41eJ9hvZA0L._SL75_.jpg https://m.media-amazon.com/images/I/41eJ9hvZA0L.jpg https://m.media-amazon.com/images/I/41g0POZbzQL._SL75_.jpg https://m.media-amazon.com/images/I/41g0POZbzQL.jpg https://m.media-amazon.com/images/I/41jBWRpIypS._SL75_.jpg https://m.media-amazon.com/images/I/41jBWRpIypS.jpg https://m.media-amazon.com/images/I/51ZHMm7ugVL._SL75_.jpg https://m.media-amazon.com/images/I/51ZHMm7ugVL.jpg https://m.media-amazon.com/images/I/51jTEnngY0S.jpg https://m.media-amazon.com/images/I/51mx9vIQmMS._SL75_.jpg https://m.media-amazon.com/images/I/51mx9vIQmMS.jpg https://m.media-amazon.com/images/I/51vbMp9HCHL._SL75_.jpg https://m.media-amazon.com/images/I/51vbMp9HCHL.jpg https://m.media-amazon.com/images/I/61F7j28aS8L.jpg https://m.media-amazon.com/images/I/61TTajbTU2S.jpg https://m.media-amazon.com/images/I/61x2ePnpFbL.jpg https://m.media-amazon.com/images/I/71qNOXFQdKL.jpg https://www.amazon.com/gp/bestsellers/hi https://www.amazon.com/gp/bestsellers/hi/511384
List_price0.0 19.99 7.14 7.5
Lock_typeKey Key Lock
ManMASTER LOCK MASTER LOCK CO Master Lock Master Lock Company
Marking_typeepa_registration_number
MaterialTypeAlloy Steel Metal Steel Vinyl steel
Model421 MLK421
Name, ThemeSIZE_NAME
OldTitleMaster Lock Steel Hasp-Mfg# 421 - Sold As 6 Units
Package_levelunit
ParentAsinsB007NAFZU0
ProductCategoryId3754161 393321011 511276 511384 511386 biss_display_on_website home_improvement_display_on_website
ProductGroupBISS BISS Basic CE Home Improvement
ProductTypeLOCK MECHANICAL_COMPONENTS PLUMBING_FIXTURE SAFE SECURITY_ELECTRONICS
ProductTypeNameCONSUMER_ELECTRONICS HARDWARE LAB_SUPPLY LOCK MECHANICAL_COMPONENTS PLUMBING_FIXTURE SAFE SECURITY_ELECTRONICS TOOLS
Product_descriptionLockout Hasp, Lockout Hasp Style Snap-On, Red, Max. Number of Padlocks 6, Material Steel, Coating Material Vinyl, Closed Hasp Hole Size 1 1/2 in, Length 5 in, Width 2 3/8 in, Padlock Shackle Max. Dia. 3/8 in Master Lock Steel 5 in. L Safety Lockout-Hasp 1 Tamper-resistant scissor-style; allows for lockout of the same piece of equipment by up to 6 workers; compatible with ML411 padlocks; works with up to (6) " padlocks; 1½" jaw. The Master Lock No. 421 Steel Safety Lockout Hasp features a 1-1/2in (38mm) inside jaw diameter and can hold up to six padlocks. Ideal for lockout by multiple workers at each lockout point, the hasp keeps equipment inoperative while repairs or adjustments are made. Control cannot be turned on until last worker’s padlock is removed from hasp.
Product_site_launch_date2009-07-01T23:21:49-00:00 2011-01-17T17:44:40.527Z 2013-04-10T22:59:52.490Z 2014-12-10T04:20:47.080Z 2016-11-08T22:05:13.982Z 2017-05-13T07:00:00.000Z 2017-10-21T00:59:15.142Z 2019-12-16T08:00:00.000Z
Rank105349 110114 1152085 13632 151 2132711 2208678 225392 2285039 29 34 3483840 353023 52 541 55 56918 59 606 61510 6955 749825 76565 779 82004 871767
Registration_statusfifra_not_considered_pesticide not_capable_emitting_rf_energy
Size1-1/2" Inside Jaw Diameter 6 Pack
Sku5T591
Special_featureKey Lock Padlock
StyleClassic Master Lock Lockout Tagout Hasp, Vinyl Coated Steel Hasp, 1-1/2 in Jaw Clearance, 421 Modern
Supplier_declared_dg_hz_regulationnot_applicable
TitleHardware Hasps MAS421 Master Safety Lockout 1.5" Jaws - Red MASTER LOCK 5T591 Lockout Hasp, 1.5 In MASTER LOCK Steel Safety Lockout Hasp Master Lock 421 Lockout Tagout Hasp with Vinyl-Coated Handle and Extended Jaw, Red Master Lock Lockout Hasp, Safety #421 (6-Pack) Master Lock Safety Lockout Steel Boxed Master Lock Safety Series 1½" Jaw Steel Lockout Hasp Single Jaw, 1-1/2 Inch Jaw Diameter, 6 Padlock Steel Lockout Hasp Single Jaw, 1-1/2 inch Jaw Diameter, 6 Padlock Steel Lockout Hasp Tools & Home Improvement
TitleSourcelistings feed
TypeCount VARIATION ean gtin upc
URLhttp://ecx.images-amazon.com/images/I/21v89MUA2uL._SL75_.jpg http://ecx.images-amazon.com/images/I/41OkpZtt-dL._SL75_.jpg http://ecx.images-amazon.com/images/I/41olGZExcqL._SL75_.jpg https://m.media-amazon.com/images/I/21v89MUA2uL._SL75_.jpg https://m.media-amazon.com/images/I/31DS2Ke9WAS._SL75_.jpg https://m.media-amazon.com/images/I/412rhqISwXL._SL75_.jpg https://m.media-amazon.com/images/I/41DuuYKWLnL._SL75_.jpg https://m.media-amazon.com/images/I/41Iz9Y4txXL._SL75_.jpg https://m.media-amazon.com/images/I/41RdCgwfO-L._SL75_.jpg https://m.media-amazon.com/images/I/41eJ9hvZA0L._SL75_.jpg https://m.media-amazon.com/images/I/41g0POZbzQL._SL75_.jpg https://m.media-amazon.com/images/I/51ZHMm7ugVL._SL75_.jpg https://m.media-amazon.com/images/I/51bOtA8pZKL._SL75_.jpg https://m.media-amazon.com/images/I/51vbMp9HCHL._SL75_.jpg
Unitcentimeters inches kilograms pounds
Unit_count1.0 6.0
Unitsinches pixels pounds
VariantMAIN PT01
VariationThemesize
WarrantyLimited Lifetime Warranty
Water_resistance_levelnot_water_resistant
WebsiteDisplayGroupbiss_basic_display_on_website home_improvement_display_on_website
WebsiteDisplayGroupNameBISS Basic Home Improvement

Distributor offers

SellerSKUMOQIn stockMultiplePrices
ZoroG00679011302311 @ $14.10
ToolUp.comMASTERLOCK 4211-211 @ $5.02
OnTime SuppliesMLK42114111 @ $7.96
Megadepot421111 @ $6.49
Office CraveMLK4211-211 @ $6.80
toolfetch.com470-4211-211 @ $6.80
Raptor SuppliesAH9KZH111 @ $9.96
NRI IndustrialD751162111 @ $71.13
AmazonSCB0013GCYQ81-211 @ $6.18
AmazonB01N02IHEF111 @ $20.83
Applied Industrial10215632811
Life and Home4019610011
Advanced Tools470-421111 @ $11.31
Turner Supply1649613871-211 @ $6.27
amerisponse.com3404661-211 @ $6.93
jmac.com42111
Guardian973316311-211 @ $15.92
homelectrical.comMAS-4211-211 @ $7.47
simsupply.comLOG-421ML1311 @ $6.54
simsupply.comAGO-MAS-421111 @ $13.55
simsupply.comORS-470-421149711 @ $5.66
simsupply.comUSS-MLK4211911 @ $14.39
heavydutydepot.com4218-211 @ $6.49
airgas.comM19421111 @ $8.17
turtle.comML1 421111 @ $0.00
usmegastore.com4211-211 @ $6.49
motionindustries.com022462691-211 @ $8.71
ZoroG203162625221 @ $7.34
stellarindustrial.comMASTE 42111
safewareinc.comMAS 421145511 @ $7.14
arbill.comA7503011511 @ $8.48
Becauze4211-211 @ $12.95
jensentools.com431-139111 @ $8.17
opticsforyou.comQU-LK-421-EA111 @ $33.99
absupply.netMASTER LOCK CMP. 421111 @ $8.68
simsupply.comGLO-B729922122211 @ $14.44
labplanet.comQU-LK-421-EA111 @ $35.99
ZoroG278537815151 @ $9.25
Grainger40CL9411
ferguson.com9855491Call for Availability11 @ $8.17
ZoroG902572848221 @ $11.00
grovesindustrial.comM-L 421111 @ $6.81
stauffersafety.com574304110911 @ $6.27
mrlock.com3634719611 @ $5.72
National Supply Network973316311-211 @ $12.65
Graybar22115000111 @ $6.26
hanessupply.comCON204051-211 @ $6.89
homedecorhardware.com42111
coreandmain.com1112292B1-211 @ $6.95
whitecap.com1124211-211 @ $12.49
freertool.comFTS-KP90421111 @ $6.39
Task SurplusA1765-2B71111 @ $75.00
Global IndustrialWBB7299221-211 @ $5.90
directools.com42115311 @ $7.58
Ace Hardware53052111 @ $8.59
BecauzeESMLK4211-211 @ $3.20
taylorsecurity.comMA/421111 @ $4.78

Related on Amazon

As an Amazon Associate, we earn from qualifying purchases. (paid link) CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

Master Lock 421 Lockout Tagout Hasp with Vinyl-Coated Handle and Extended Jaw, Red
Brand: Master Lock
Details
  • Best used for group lockout applications as part of a comprehensive OSHA compliant lockout tagout safety program; Accommodates up to 6 workers
  • Secure each lockout point to ensure equipment is inoperative while repairs or adjustments are made
  • Heavy gauge steel with vinyl coated handle
  • Control cannot be turned on until the last worker's safety padlock is removed from lockout hasp
  • Dimensions: 2-3/8 in. (60 mm) W x 5 in. (127 mm) L, with 1-1/2 in. (38 mm) inside jaw diameter; Accepts shackle diameter of up to 9/32 in. (7 mm); Holds up to six safety padlocks; Safety padlocks sold separately
Listing
BindingTools & Hardware
Product groupHome Improvement
Product typeTOOLS
Model421
Part number421
Items per pack1
LabelMaster Lock
ManufacturerMaster Lock
View on Amazon (paid link)
Single Jaw, 1-1/2 inch Jaw Diameter, 6 Padlock Steel Lockout Hasp
Brand: Master Lock
Listing
Product groupBISS
Product typeLAB_SUPPLY
Part number421
Items per pack1
LabelMaster Lock
ManufacturerMaster Lock
Catalog
FeaturePrice For: Each Hasp Type : Scissor-Action Jaw Type : Single Jaw Maximum Number of Padlocks : 6 Material : Steel Color : Red Overall Length (Inch) : 5
CategoryIndustrial & Scientific
MPN421
Product groupBISS
Product typeLAB_SUPPLY
ManufacturerMaster Lock
View on Amazon (paid link)
Master Lock Safety Lockout Steel Boxed
Brand: Master Lock
Listing
BindingMisc.
Product groupHome Improvement
Product typeTOOLS
Part number421
Items per pack1
LabelMaster Lock Company
ManufacturerMaster Lock Company
Catalog
FeatureSteel Lockout Hasps, Steel/Vinyl, 2 3/8 in, Red
CategoryTools & Home Improvement
MPN421
UPC71649613876
EAN71649613876
Product groupHome Improvement
Product typeTOOLS
ManufacturerMaster Lock Company
View on Amazon (paid link)
MASTER LOCK 5T591 Lockout Hasp, 1.5 In
Brand: Master Lock
Listing
Product groupBISS
Product typeMECHANICAL_COMPONENTS
Part number5T591
LabelMASTER LOCK
ManufacturerMASTER LOCK
Catalog
CategoryIndustrial & Scientific
MPN5T591
Product groupBISS
Product typeMECHANICAL_COMPONENTS
ManufacturerMASTER LOCK
View on Amazon (paid link)
Master Lock Safety Series 1½" Jaw Steel Lockout Hasp
Brand: Master Lock
Tamper-resistant scissor-style; allows for lockout of the same piece of equipment by up to 6 workers; compatible with ML411 padlocks; works with up to (6) " padlocks; 1½" jaw.
Listing
Product groupHome Improvement
Product typeSECURITY_ELECTRONICS
Part number421
LabelMaster Lock
ManufacturerMaster Lock
View on Amazon (paid link)
MAS421 Master Safety Lockout 1.5" Jaws - Red
Brand: Master Lock Company
Catalog
CategoryTools & Home Improvement
MPN421
Product groupHome Improvement
Product typeTOOLS
ManufacturerMaster Lock Company
View on Amazon (paid link)
Master Lock Safety Lockout Steel Boxed
Brand: Master Lock
Master Lock Steel 5 in. L Safety Lockout-Hasp 1
Details
  • Made in China
Listing
Product groupHome Improvement
Product typePLUMBING_FIXTURE
Part number421
LabelMaster Lock Company Llc
ManufacturerMaster Lock Company Llc
Catalog
FeatureSix holes for padlocks (sold separately) provide the ability to require multiple authorizations to allow access to one locked out device or energy source
CategoryTools & Home Improvement
MPN421
UPC71649613876
EAN71649613876
Product groupHome Improvement
Product typePLUMBING_FIXTURE
ManufacturerMaster Lock Company
View on Amazon (paid link)
Master Lock Safety Lockout Steel Boxed
Brand: Master Lock
Catalog
FeatureSix holes for padlocks (sold separately) provide the ability to require multiple authorizations to allow access to one locked out device or energy source
CategoryTools & Home Improvement
MPN421
UPC71649613876
EAN71649613876
Product groupCE
Product typeCONSUMER_ELECTRONICS
ManufacturerMaster Lock Company
View on Amazon (paid link)
Master Lock Safety Lockout Steel Boxed
Brand: Master Lock
Master Lock Steel 5 in. L Safety Lockout-Hasp 1
Listing
BindingMisc.
Product groupHome Improvement
Product typeHARDWARE
Part number421
LabelMaster Lock Company
ManufacturerMaster Lock Company
Catalog
CategoryTools & Home Improvement
MPN421
UPC71649613876
EAN71649613876
Product groupHome Improvement
Product typeTOOLS
ManufacturerMASTER LOCK CO
View on Amazon (paid link)
MASTER LOCK Steel Safety Lockout Hasp
Brand: Master Lock
Lockout Hasp, Lockout Hasp Style Snap-On, Red, Max. Number of Padlocks 6, Material Steel, Coating Material Vinyl, Closed Hasp Hole Size 1 1/2 in, Length 5 in, Width 2 3/8 in, Padlock Shackle Max. Dia. 3/8 in
Listing
Product groupHome Improvement
Product typeSECURITY_ELECTRONICS
Part number421
LabelMaster Lock, LLC
ManufacturerMaster Lock, LLC
View on Amazon (paid link)
Master Lock Lockout Hasp, Safety #421 (6-Pack)
Brand: Master Lock
The Master Lock No. 421 Steel Safety Lockout Hasp features a 1-1/2in (38mm) inside jaw diameter and can hold up to six padlocks. Ideal for lockout by multiple workers at each lockout point, the hasp keeps equipment inoperative while repairs or adjustments are made. Control cannot be turned on until last worker’s padlock is removed from hasp.
Details
  • Master Lock #421 Steel Lockout Hasp
  • Lockout by multiple workers at each lockout point
  • Keeps equipment inoperative while repairs or adjustments are being made
  • Control cannot be turned on until last worker's safety padlock is removed from hasp
  • Heavy gauge steel jaw with red vinyl coated handle
Listing
Product groupHome Improvement
Product typeLOCK
Model421
Part number421
LabelMaster Lock
ManufacturerMaster Lock
View on Amazon (paid link)