The Spring,helical,extension, cataloged under National Stock Number 5360-00-597-9477, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-597-9477 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.208 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.502 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.187 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 0.250 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.156 INCHES NOMINAL IN |
| Coil Quantity | 38 |
| Surface Treatment | CADMIUM 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 |
|---|---|
| SK5320-5092 | 5/9 Secondary reference Leeds and Northrup Co a Unit of General Signal Corp |
| SCD125580 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-597-9477 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-597-9477: Spring Free Outside Diameter: 0.208 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 12 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.