The Spring,helical,extension, cataloged under National Stock Number 5360-00-770-3616, 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20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-770-3616 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.682 INCHES NOMINAL IN |
| Load Rating | 12.500 POUNDS MINIMUM AND 13.500 POUNDS MAXIMUM LBS |
| End Style | EXTENDED LOOP FIRST END |
| End Style | REDUCED HOOK SECOND END |
| Design Type | CLOSED |
| Supplementary Features | 2ND LOAD RATING 19 LB AT 3.98 IN. SPRING LENGTH UNDER LOAD LBS |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.330 INCHES NOMINAL SECOND END IN |
| Material Document and Classification | AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.690 INCHES NOMINAL IN |
| Spring Deflection Rate | 10.000 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.510 INCHES MINIMUM SECOND END IN |
| Coil to Hook Inside Length | 0.950 INCHES MINIMUM FIRST END IN |
| Inside Diameter | 0.538 INCHES NOMINAL IN |
| Spring Length Under Load | 3.420 INCHES NOMINAL IN |
| Coil Quantity | 17 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL COMP 302 OVERALL |
| Hook Radius | 0.110 INCHES NOMINAL FIRST END IN |
| Hook Radius | 0.180 INCHES NOMINAL SECOND END 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 |
|---|---|
| 952B142P1 | 5/9 Secondary reference General Electric Company |
| 952B142P1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-770-3616 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-770-3616: Spring Free Outside Diameter: 0.682 INCHES NOMINAL IN; Load Rating: 12.500 POUNDS MINIMUM AND 13.500 POUNDS MAXIMUM LBS; End Style: EXTENDED LOOP FIRST END; End Style: REDUCED HOOK SECOND END. 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.