The Spring,helical,torsion, cataloged under National Stock Number 5360-00-221-3201, 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 15 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 | 5360-00-221-3201 |
| Primary Part Number | 116C3198 |
| 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 | 1.100 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| End Style | MACHINE LOOP END OVERALL |
| End Length | 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM BOTH ENDS IN |
| Center Section Width | 0.330 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | QQ-W-470 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Spring Free Length | 1.400 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN |
| Coil Axis to Center Section Distance | 0.550 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| Inside Diameter | 0.900 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN |
| Coil Quantity | 9 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| End Length From Second Bend to Third Bend or End | 0.570 INCHES MINIMUM AND 0.580 INCHES MAXIMUM OVERALL IN |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| Hook Radius | 0.160 INCHES MINIMUM AND 0.200 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 |
|---|---|
| 116C3198 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5360-00-221-3201 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 5360-00-221-3201 has 1 manufacturer part number on file: 116C3198 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 116C3198: Spring Free Outside Diameter: 1.100 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN; End Style: MACHINE LOOP END OVERALL; End Length: 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM BOTH ENDS IN; Center Section Width: 0.330 INCHES NOMINAL IN. 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.