# Extension Spring

**Manufacturer:** Spec  
**MPN:** `E10001254000S`

## 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 | 781UU1 |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 0.15 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | CN |
| height | 1 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 4 |
| moq | 1 |
| MPN | E10001254000S |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G001797487 |
| snippet | Extension Spring |
| tierMinQty1 | 1 |
| tierPrice1 | 34.89 |
| url | https://www.zoro.com/spec-extension-spring-pk2-e10001254000s/i/G001797487/ |
| width | 1 |
| Overall Length | 4 in |
| Outside Dia | 1 in |
| Wire Dia | 0.125 in |
| Type | High Precision |
| Material | 302 Stainless Steel |
| Spring Rate (Lbs /In ) | 24.24 lb/in |
| End Type | Full Twist Loops |
| Initial Tension (Lbs ) | 5.09 lb |
| Meets/Exceeds | ASTM-A313 and AMS-5688 |
| Item | Extension Spring |
| Deflection @ Load | 2.12 in |
| Load (Lbs ) | 56.54 lb |
| Finish | Passivated |
| Package Quantity | 2 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G001797487 | 34.89 | 1 | None | 1 |
| Grainger | 781UU1 | 35.23 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/127000/part_--E10001254000S---Spec--7d9d171e4f.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp