# Metric Extension Spring

**Manufacturer:** Spec  
**MPN:** `T42420`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Spec |
| Manufacturer name | Spec |
| Manufacturer | Spec |
| CategoryId | 7611 |
| CategoryIdL1 | 27 |
| CategoryIdL2 | 4558 |
| CategoryIdL3 | 7611 |
| CategoryL1 | Hardware & Building Materials |
| CategoryL2 | Springs |
| CategoryL3 | Extension Springs |
| DimensionUnit | inch |
| GraingerSku | 782DV7 |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 0.01 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | CN |
| height | 0.44 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 1.38 |
| moq | 1 |
| MPN | T42420 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G001797357 |
| snippet | Metric Extension Spring |
| tierMinQty1 | 1 |
| tierPrice1 | 28.75 |
| url | https://www.zoro.com/spec-extension-spring-metric-pk2-t42420/i/G001797357/ |
| width | 0.44 |
| Overall Length | 34 4/5 mm |
| Outside Dia | 11 mm |
| Wire Dia | 2.2 mm |
| Type | High Precision |
| Material | Stainless Steel |
| Spring Rate (Lbs /In ) | 29.16 N/mm |
| Load (Lbs ) | 48.5 lb |
| Meets/Exceeds | DIN-17224; JIS-G4314; AMS-5688 |
| Deflection @ Load | 6.3 mm |
| Item | Metric Extension Spring |
| Initial Tension (Lbs ) | 7.21 lb |
| End Type | Full Twist Loops |
| Finish | Plain |
| Package Quantity | 2 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G001797357 | 28.75 | 1 | None | 1 |

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