The Spring,helical,extension, cataloged under National Stock Number 5360-00-321-3499, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-321-3499 |
| Primary Part Number | A1126 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — No Item Name Available |
| Manufacturer | Kelly Manufacturing Company |
| Status | ACTIVE |
| Inside Diameter | 0.176 INCHES MAXIMUM IN |
| Hook Radius | 0.088 INCHES MAXIMUM BOTH ENDS IN |
| Style Designator | CYLINDRICAL |
| Spring Free Outside Diameter | 0.200 INCHES MAXIMUM IN |
| End Style | FULL LOOP BOTH ENDS |
| Material | STEEL UNS K08500 OVERALL |
| Spring Length Under Load | 0.562 INCHES NOMINAL IN |
| Load Rating | 0.181 POUNDS MINIMUM AND 0.190 POUNDS MAXIMUM LBS |
| Design Type | CLOSED |
| Coil Helix Direction | LEFT-HAND |
| Coil Quantity | 7-1/2 |
| Coil to Hook Inside Length | 0.176 INCHES MAXIMUM BOTH ENDS IN |
| Spring Free Length | 0.454 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5360-00-321-3499 is a Spring,helical,extension, manufactured by Kelly Manufacturing Company, classified under FSC 5360 (No Item Name Available). Status: active.
NSN 5360-00-321-3499 has 3 cross-referenced part numbers: A1126 (Kelly Manufacturing Company), A1126 (Allen R C Co Inc Cash Register Div), A1126 (Allen R C Instruments Inc).
There are 8 known substitutes for 5360-00-321-3499: 8455-00-246-3510, 5995-00-456-2746, 4820-00-848-9477 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for A1126: Inside Diameter: 0.176 INCHES MAXIMUM IN; Hook Radius: 0.088 INCHES MAXIMUM BOTH ENDS IN; Style Designator: CYLINDRICAL; Spring Free Outside Diameter: 0.200 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.