The Spring,helical,extension, cataloged under National Stock Number 5360-00-089-3261, 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15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-00-089-3261 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.635 INCHES NOMINAL IN |
| End Style | LONG LOOP FIRST END |
| End Style | LONG ROUND HOOK SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.313 INCHES NOMINAL BOTH ENDS IN |
| Opening Width | 0.313 INCHES NOMINAL FIRST END IN |
| Spring Free Length | 3.005 INCHES NOMINAL IN |
| Spring Deflection Rate | 130.000 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.406 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 0.889 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.391 INCHES NOMINAL IN |
| Coil Quantity | 14 |
| Coil Helix Direction | RIGHT-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 |
|---|---|
| 412A237PC1 | 5/9 Secondary reference General Electric Co Outdoor Breaker Business Section |
| 412A237PC1 | 3/9 Design control — primary reference Electro-Mech of Virginia Inc |
| 412A237PC1 | 5/9 Secondary reference General Electric Company |
NSN 5360-00-089-3261 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-089-3261: Spring Free Outside Diameter: 0.635 INCHES NOMINAL IN; End Style: LONG LOOP FIRST END; End Style: LONG ROUND HOOK SECOND END; Design Type: CLOSED. 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.