The Spring,helical,extension, cataloged under National Stock Number 5360-01-436-7405, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-436-7405 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.750 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 7.250 INCHES NOMINAL IN |
| Spring Deflection Rate | 30.000 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.540 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.540 INCHES NOMINAL IN |
| Stock Diameter | 0.105 INCHES NOMINAL IN |
| Coil Quantity | 58 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| Hook Radius | 0.270 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 |
|---|---|
| B554AP086 | 5/2 Secondary reference U.S. Government activity |
| 117486 | 3/2 Design control — primary reference U.S. Government activity |
| H554AP001 FIND 85 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-01-436-7405 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-436-7405: Spring Free Outside Diameter: 0.750 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 15 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.