The Spring,helical,extension, cataloged under National Stock Number 5360-00-416-7933, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-416-7933 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.875 INCHES NOMINAL IN |
| Load Rating | 23.000 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK FIRST END |
| End Style | MACHINE LOOP SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 1.688 INCHES NOMINAL SECOND END IN |
| Spring Free Length | 4.594 INCHES NOMINAL IN |
| Spring Deflection Rate | 60.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.656 INCHES NOMINAL IN |
| Spring Length Under Load | 4.844 INCHES NOMINAL IN |
| Coil Quantity | 11-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| NP11225PC26 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP7100PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP10100PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP2085PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP11220PC26 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP4069PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP1102PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| SN303 | 3/9 Design control — primary reference Pierce Co Inc the Sub of Avis Industrial Corp |
| NP1100PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP12254PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP12250PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP4065PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP10101PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP2081PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP7101PC1 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| NP11221PC26 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
NSN 5360-00-416-7933 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): 2540-01-686-4491. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-416-7933: Spring Free Outside Diameter: 0.875 INCHES NOMINAL IN; Load Rating: 23.000 POUNDS NOMINAL LBS; End Style: SHORT TWISTED HOOK FIRST END; End Style: MACHINE LOOP SECOND END. 14 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.