The Spring,helical,extension, cataloged under National Stock Number 5360-01-331-7961, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Chicago Spence Tool & Rubber Co.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-331-7961 |
| Primary Part Number | 22681 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — No Item Name Available |
| Manufacturer | Chicago Spence Tool & Rubber Co. |
| Status | ACTIVE |
| Coil Quantity | 12-1/2 |
| Inside Diameter | 0.740 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Hook Radius | 0.370 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | CYLINDRICAL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Spring Free Length | 3.417 INCHES NOMINAL IN |
| Design Type | CLOSED |
| Spring Free Outside Diameter | 0.990 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 22681 | Inkwell Lumber Co (USA) |
| 1668AS357-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 22681 PRIMARY | Chicago Spence Tool & Rubber Co. (USA) |
NSN 5360-01-331-7961 is a Spring,helical,extension, manufactured by Chicago Spence Tool & Rubber Co., classified under FSC 5360 (No Item Name Available). Status: active.
NSN 5360-01-331-7961 has 3 cross-referenced part numbers: 22681 (Inkwell Lumber Co), 1668AS357-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 22681 (Chicago Spence Tool & Rubber Co.).
There are 2 known substitutes for 5360-01-331-7961: 6130-00-295-1062, 6610-00-296-3574. Verify interchangeability with system specifications before substitution.
Key specifications for 22681: Coil Quantity: 12-1/2; Inside Diameter: 0.740 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Hook Radius: 0.370 INCHES NOMINAL BOTH ENDS IN. 10 total characteristics are documented in the Federal Logistics Information System.