# Spec

**Manufacturer:** Spec  
**MPN:** `T40980`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Spec |
| Manufacturer name | Spec |
| Manufacturer | Spec |
| DimensionUnit | inch |
| GraingerSku | 782D52 |
| Extra Product Name | Spec |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 0.01 |
| WeightUnit | lbs |
| atoms | 2 |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | CN |
| extendedLead | 17 |
| extendedQty | -2 |
| height | 0.14 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 0.72 |
| moq | 1 |
| MPN | T40980 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G501795761 |
| tierMinQty1 | 1 |
| tierPrice1 | 9.77 |
| url | https://www.zoro.com/spec-metric-extension-spring-ss-pk2-t40980/i/G501795761/ |
| width | 0.14 |
| Type | High Precision |
| Material | Stainless Steel |
| Overall Length | 18 1/10 mm |
| Outside Dia | 3.5 mm |
| Wire Dia | 0.55 mm |
| Spring Rate (Lbs /In ) | 1.21 N/mm |
| Finish | Plain |
| Item | Metric Extension Spring |
| Load (Lbs ) | 2.94 lb |
| End Type | Full Twist Loops |
| Initial Tension (Lbs ) | 0.44 lb |
| Deflection @ Load | 9.2 mm |
| Meets/Exceeds | DIN-17224; JIS-G4314; AMS-5688 |
| Country of Origin (subject to change) | China |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G501795761 | 9.77 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/168000000/168024000/part_--T40980---Spec--e8a22d9fa1.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp