The Spring,helical,extension, cataloged under National Stock Number 5360-00-663-3304, 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17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-663-3304 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.188 INCHES NOMINAL IN |
| Load Rating | 2.000 POUNDS NOMINAL LBS |
| End Style | RAISED HOOK FIRST END |
| End Style | HAND LOOP SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.125 INCHES NOMINAL FIRST END IN |
| Spring Free Length | 1.500 INCHES NOMINAL IN |
| Spring Deflection Rate | 2.666 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.228 INCHES NOMINAL SECOND END IN |
| Coil to Hook Inside Length | 0.353 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.143 INCHES NOMINAL IN |
| Spring Length Under Load | 2.250 INCHES NOMINAL IN |
| Coil Quantity | 40 |
| Surface Treatment | TIN OVERALL |
| 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 |
|---|---|
| 77A35 | 5/9 Secondary reference Telex Communications Inc Sub of Telex Corp |
| 92134-000 | 3/9 Design control — primary reference Telex Communications Inc Sub of Telex Corp |
| A77A35-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5360-00-663-3304 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-663-3304: Spring Free Outside Diameter: 0.188 INCHES NOMINAL IN; Load Rating: 2.000 POUNDS NOMINAL LBS; End Style: RAISED HOOK FIRST END; End Style: HAND LOOP SECOND END. 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.