The Spring,helical,extension, cataloged under National Stock Number 5360-00-288-2496, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Saginaw Products Corporation Dba Cignys. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-288-2496 |
| Primary Part Number | 6712-11 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Saginaw Products Corporation Dba Cignys |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.545 INCHES NOMINAL IN |
| End Style | REDUCED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.930 INCHES NOMINAL IN |
| Inside Diameter | 0.365 INCHES NOMINAL IN |
| Surface Treatment | PAINT OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.219 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6712-11 PRIMARY | Saginaw Products Corporation Dba Cignys (USA) |
NSN 5360-00-288-2496 is a Spring,helical,extension, manufactured by Saginaw Products Corporation Dba Cignys, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-288-2496 has 1 manufacturer part number on file: 6712-11 (Saginaw Products Corporation Dba Cignys).
2 possible matches (shared part number, not a government interchangeability claim): 6520-00-935-4155, 4820-01-677-7240. Verify interchangeability with system specifications before substitution.
Key specifications for 6712-11: Spring Free Outside Diameter: 0.545 INCHES NOMINAL IN; End Style: REDUCED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.