The Spring,helical,extension, cataloged under National Stock Number 5360-00-343-1302, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-343-1302 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-P-16232,TYPE Z,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 2.700 POUNDS NOMINAL LBS |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.410 INCHES NOMINAL BOTH ENDS IN |
| Opening Width | 0.160 INCHES NOMINAL FIRST END IN |
| Material Document and Classification | QQ-W-470 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.900 INCHES NOMINAL IN |
| Spring Deflection Rate | 63.500 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.200 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 0.490 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.150 INCHES NOMINAL IN |
| Spring Length Under Load | 1.840 INCHES NOMINAL IN |
| Coil Quantity | 19-3/4 |
| Surface Treatment | PHOSPHATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| Hook Radius | 0.080 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 |
|---|---|
| 41P237932-21-11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-343-1302 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-343-1302: Spring Free Outside Diameter: 0.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-P-16232,TYPE Z,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 2.700 POUNDS NOMINAL LBS; End Style: MACHINE LOOP BOTH ENDS. 20 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.