The Spring,helical,extension, cataloged under National Stock Number 5360-00-487-5955, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-487-5955 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.840 INCHES NOMINAL IN |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 5.996 INCHES NOMINAL IN |
| Spring Deflection Rate | 112.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.543 INCHES NOMINAL IN |
| Coil Quantity | 18-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.277 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 |
| Reference | Meaning |
|---|---|
| 223173 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 319814 | 3/9 Design control — primary reference Bendix Corp the Brake and Steering Div |
| VJ806 | 5/9 Secondary reference American Standard Inc Westinghouse Air Brake Co Div |
| 319814 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| VP0183 | 5/9 Secondary reference American Standard Inc Westinghouse Air Brake Co Div |
NSN 5360-00-487-5955 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5977-00-644-2920. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-487-5955: Spring Free Outside Diameter: 0.840 INCHES NOMINAL IN; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 12 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.