The Spring,helical,extension, cataloged under National Stock Number 5360-00-020-0112, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-020-0112 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.570 INCHES NOMINAL IN |
| Load Rating | 6.520 POUNDS MINIMUM AND 16.060 POUNDS MAXIMUM LBS |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | MAINSPRING |
| Style Designator | CYLINDRICAL |
| Opening Width | 7.240 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-W-423, COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 21.470 INCHES NOMINAL IN |
| Spring Deflection Rate | 2.550 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 7.640 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.426 INCHES NOMINAL IN |
| Stock Diameter | 0.072 INCHES NOMINAL IN |
| Spring Length Under Load | 24.310 INCHES MINIMUM AND 27.190 INCHES MAXIMUM IN |
| Coil Quantity | 122-1/5 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| Hook Radius | 0.200 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 |
|---|---|
| 215-68400-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-020-0112 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-020-0112: Spring Free Outside Diameter: 0.570 INCHES NOMINAL IN; Load Rating: 6.520 POUNDS MINIMUM AND 16.060 POUNDS MAXIMUM LBS; End Style: RAISED HOOK BOTH ENDS; Design Type: MAINSPRING. 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.