The Spring,helical,extension, cataloged under National Stock Number 5360-01-320-9510, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-320-9510 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.180 INCHES NOMINAL IN |
| Load Rating | 3.150 POUNDS MINIMUM AND 3.850 POUNDS MAXIMUM LBS |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | CLOSED |
| Supplementary Features | T.O. 31S5-2F-114 FIG 2 IND 3-70 |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.302 INCHES NOMINAL IN |
| Spring Deflection Rate | 4.240 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.128 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.128 INCHES NOMINAL IN |
| Spring Length Under Load | 2.010 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hook Radius | 0.064 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 |
|---|---|
| E0180-026-1250S | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-01-320-9510 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-320-9510: Spring Free Outside Diameter: 0.180 INCHES NOMINAL IN; Load Rating: 3.150 POUNDS MINIMUM AND 3.850 POUNDS MAXIMUM LBS; End Style: FULL LOOP BOTH ENDS; Design Type: CLOSED. 15 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.