# Pneumatic Flow Control Valve,1/4 In. NPT

**Manufacturer:** Milton  
**MPN:** `S-638`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Milton |
| Manufacturer name | Milton |
| Manufacturer | Milton, Milton Industries |
| CategoryId | 5818 |
| CategoryIdL1 | 12 |
| CategoryIdL2 | 8750 |
| CategoryIdL3 | 5818 |
| CategoryL1 | Power Transmission |
| CategoryL2 | Compressors, Air Tanks & Pneumatic Parts |
| CategoryL3 | Pneumatic Valves |
| CategoryL4 | Pneumatic Safety Valves |
| DimensionUnit | inch |
| GTIN | None |
| GraingerSku | S-638 |
| UPC | None, 30937006387 |
| UnitOfMeasure | EA |
| Weight | 0.8, 0.2, 0.20, 0.3527396192, 0.44974301448 |
| WeightUnit | lbs |
| cali_prop65_message | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| cali_prop65_orglabel | True |
| cali_prop65_warnmsgscenario | 7 |
| cali_prop65_whtlabel | True |
| countryOfOrigin | US |
| height | 5 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 11 |
| moq | 1 |
| MPN | S-638 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G5033266 |
| snippet | Pneumatic Flow Control Valve,1/4 In. NPT |
| tierMinQty1 | 1 |
| tierPrice1 | 18.19 |
| url | https://www.zoro.com/milton-pneumatic-flow-control-valve-14-npt-s-638/i/G5033266/ |
| width | 7 |
| EAN | 30937006387 |
| Part Number | S-638 |
| Model | S-638 |
| Product Group | BISS |
| Overall Height | 0.75 |
| Overall Length | 2.13 |
| Overall Width | 1.88 |
| Item | Pneumatic Flow Control Valve,1/4" NPT |
| Material | Brass |
| ASIN | B000COMXHC |
| AdultProduct | False |
| Amount | 25.12, 36.01 |
| Asin | B000COMXHC |
| Autographed | False |
| Batteries_required | False |
| Binding | Automotive |
| Brand | Milton, Milton Industries |
| Bullet_point | Air flow of 5 standard cubic feet per minute at 100 pounds per square inch, Made in USA, Maximum pressure of 150 pounds per square inch, Temperature range of 40 degrees Fahrenheit to 140 degrees Fahre |
| Case | 1 |
| Cat | Automotive |
| CatId | 15684181 |
| CatTree | 15684181, 15690151, 15719731, 15727061 |
| CatalogNumberList | M18S638 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G5033266 | 18.19 | 1 | None | 1 |
| Global Industrial | WBB2232757 | 19.5 | 1 | None | 1 |
| Summit Racing | MLI-S-638 |  |  | None | 1 |
| Megadepot | S-638 | 19.02 | 1 | None | 1 |
| autotoolworld.com | MIS-638 | 17.78 | 1 | None | 1 |
| FinditParts | 1826514 |  |  | None | 1 |
| grainger.ca | MTNS638 |  |  | None | 1 |
| National Supply Network | B2232757 | 19.86 | 1 | None | 1 |
| heavydutydepot.com | S-638 | 19.02 | 1 | None | 11 |
| smithtoolsupply.com | MI-S-638 | 24.94 | 1 | None | 1 |
| usmegastore.com | S-638 | 19.02 | 1 | None | 1 |
| unbeatablesale.com | MDCO14213 | 19.93 | 1 | None | 1 |
| Zoro | G202693359 | 23.04 | 1 | None | 1 |
| toolshackweb.com | MILS638 | 19.12 | 1 | 3 | 1 |

---
Structured data: `/python/html6/product/500/53000000/53487500/part_--S638---Milton--26f3343695.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp