The Spring,helical,extension, cataloged under National Stock Number 5360-01-602-9397, 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12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-602-9397 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 2.55 INCHES NOMINAL IN |
| End Style | MACHINED HALF LOOP BOTH ENDS |
| Design Type | MAINSPRING |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.50 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 4.57 INCHES NOMINAL IN |
| Spring Deflection Rate | 78.0 POUNDS PER INCH MAXIMUM LBS |
| Inside Diameter | 2.13 INCHES NOMINAL IN |
| Coil Quantity | 15 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL COMP 1065 OVERALL |
| Hook Radius | 1.00 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 |
|---|---|
| 6-58387-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-01-602-9397 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-602-9397: Spring Free Outside Diameter: 2.55 INCHES NOMINAL IN; End Style: MACHINED HALF LOOP BOTH ENDS; Design Type: MAINSPRING; 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.