The Spring,helical,extension, cataloged under National Stock Number 5360-00-494-2237, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-494-2237 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.535 INCHES NOMINAL IN |
| End Style | DOBBY HOOK FIRST END |
| End Style | MACHINE FULL HOOK SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A227 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.785 INCHES NOMINAL IN |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K06501 OVERALL |
| Hook Radius | 0.125 INCHES NOMINAL FIRST END IN |
| Hook Radius | 0.250 INCHES NOMINAL SECOND END 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 |
|---|---|
| 02261-0280-63 | 5/9 Secondary reference U.S. Government activity |
| H429 | 3/9 Design control — primary reference Bendix Corp the Brake and Steering Div |
NSN 5360-00-494-2237 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): 5950-01-328-0365. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-494-2237: Spring Free Outside Diameter: 0.535 INCHES NOMINAL IN; End Style: DOBBY HOOK FIRST END; End Style: MACHINE FULL HOOK SECOND END; Design Type: CLOSED. 13 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.