The Spring,helical,extension, cataloged under National Stock Number 5360-00-309-3928, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-309-3928 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.690 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | LC+77-1061,CLASS 2,TYPE 2,CAGE 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 6.12 POUNDS MINIMUM AND 7.48 POUNDS MAXIMUM LBS |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.720 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 8.354 INCHES NOMINAL IN |
| Spring Deflection Rate | 1.660 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 1.010 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.546 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN |
| Spring Length Under Load | 10.800 INCHES NOMINAL IN |
| Coil Quantity | 85 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Hook Radius | 0.290 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 |
|---|---|
| 1292649-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-309-3928 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-309-3928: Spring Free Outside Diameter: 0.690 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN; Surface Treatment Document and Classification: LC+77-1061,CLASS 2,TYPE 2,CAGE 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 6.12 POUNDS MINIMUM AND 7.48 POUNDS MAXIMUM LBS; End Style: MACHINE LOOP BOTH ENDS. 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.