The Spring,helical,torsion, cataloged under National Stock Number 5360-01-135-3284, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-135-3284 |
| Primary Part Number | 176C1686 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.534 INCHES MINIMUM AND 0.534 INCHES MINIMUM AND 0.594 INCHES MAXIMUM0.594 INCHES MAXIMUM IN |
| End Style | HINGE END FIRST ENDHINGE END FIRST END |
| End Style | SMALL OFFSET HOOK AT SIDE SECOND ENDSMALL OFFSET HOOK AT SIDE SECOND END |
| End Length | 0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.120 INCHES MAXIMUM BOTH ENDS0.120 INCHES MAXIMUM BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HANDSINGLE TORSION LEFT HAND |
| Inside Diameter | 0.470 INCHES MINIMUM AND 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM0.530 INCHES MAXIMUM IN |
| Coil Quantity | 4-1/24-1/2 |
| Surface Treatment | CADMIUM OVERALLCADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HANDRIGHT-HAND |
| End Length From Second Bend to Third Bend or End | 0.070 INCHES MINIMUM AND 0.070 INCHES MINIMUM AND 0.130 INCHES MAXIMUM OVERALL0.130 INCHES MAXIMUM OVERALL IN |
| End Angular Relationship | ENDS ANGLED ONE TO OTHERENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.030 INCHES MINIMUM AND 0.030 INCHES MINIMUM AND 0.070 INCHES MAXIMUM OVERALL0.070 INCHES MAXIMUM OVERALL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 176C1686 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5360-01-135-3284 is a Spring,helical,torsion, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-135-3284 has 1 manufacturer part number on file: 176C1686 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 176C1686: Spring Free Outside Diameter: 0.534 INCHES MINIMUM AND 0.534 INCHES MINIMUM AND 0.594 INCHES MAXIMUM0.594 INCHES MAXIMUM IN; End Style: HINGE END FIRST ENDHINGE END FIRST END; End Style: SMALL OFFSET HOOK AT SIDE SECOND ENDSMALL OFFSET HOOK AT SIDE SECOND END; End Length: 0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.120 INCHES MAXIMUM BOTH ENDS0.120 INCHES MAXIMUM BOTH ENDS IN. 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.