The Spring,helical,extension, cataloged under National Stock Number 5360-01-304-4605, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-304-4605 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Load Rating | 1.360 POUNDS MINIMUM AND 2.100 POUNDS MAXIMUM LBS |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.369 INCHES MINIMUM AND 1.399 INCHES MAXIMUM IN |
| Spring Deflection Rate | 6.700 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.360 INCHES NOMINAL SECOND END IN |
| Coil to Hook Inside Length | 0.225 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN |
| Spring Length Under Load | 1.492 INCHES NOMINAL IN |
| Coil Quantity | 19 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.113 INCHES NOMINAL BOTH ENDS IN |
| Hook Radius | 0.180 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 |
|---|---|
| 116176-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-01-304-4605 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-304-4605: Spring Free Outside Diameter: 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN; Load Rating: 1.360 POUNDS MINIMUM AND 2.100 POUNDS MAXIMUM LBS; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED. 17 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.