The Spring,helical,extension, cataloged under National Stock Number 5360-00-907-6173, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kelly Manufacturing Company. Government technical data includes 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-907-6173 |
| Primary Part Number | A3581 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — No Item Name Available |
| Manufacturer | Kelly Manufacturing Company |
| Status | ACTIVE |
| Style Designator | CYLINDRICAL |
| Spring Free Outside Diameter | 0.200 INCHES MAXIMUM IN |
| Design Type | CLOSED |
| Spring Free Length | 0.438 INCHES MAXIMUM IN |
| Hook Radius | 0.086 INCHES MAXIMUM BOTH ENDS IN |
| Coil Helix Direction | LEFT-HAND |
| Coil Quantity | 10 |
| Coil to Hook Inside Length | 0.172 INCHES MAXIMUM BOTH ENDS IN |
| Load Rating | 0.118 KILOGRAMS MINIMUM AND 0.128 KILOGRAMS MAXIMUM KG |
| Material Document and Classification | MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| End Style | DOUBLE TWIST LOOP SECOND END |
| Spring Length Under Load | 0.562 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Inside Diameter | 0.172 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5360-00-907-6173 is a Spring,helical,extension, manufactured by Kelly Manufacturing Company, classified under FSC 5360 (No Item Name Available). Status: active.
NSN 5360-00-907-6173 has 3 cross-referenced part numbers: A3581 (Kelly Manufacturing Company), A3581 (Allen R C Co Inc Cash Register Div), A3581 (Allen R C Instruments Inc).
There is 1 known substitute for 5360-00-907-6173: 5962-00-369-7706. Verify interchangeability with system specifications before substitution.
Key specifications for A3581: Style Designator: CYLINDRICAL; Spring Free Outside Diameter: 0.200 INCHES MAXIMUM IN; Design Type: CLOSED; Spring Free Length: 0.438 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.