The Spring,helical,torsion, cataloged under National Stock Number 5360-01-391-2373, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-391-2373 |
| Primary Part Number | 803-6397420-32 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Spring Free Outside Diameter | 4.880 INCHES NOMINAL IN |
| End Style | SHORT HOOK, END BOTH ENDS |
| End Length | 2.565 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 8.530 INCHES NOMINAL IN |
| Spring Deflection Rate | 22.500 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 3.620 INCHES NOMINAL IN |
| Stock Diameter | 0.625 INCHES NOMINAL IN |
| Coil Quantity | 11-1/2 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL COMP 316 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| 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 |
|---|---|
| 803-6397420 PIECE 32 | Naval Sea Systems Command (USA) |
| 803-6397420-32 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5360-01-391-2373 is a Spring,helical,torsion, manufactured by Naval Sea Systems Command, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-391-2373 has 2 manufacturer part numbers on file: 803-6397420 PIECE 32 (Naval Sea Systems Command), 803-6397420-32 (Naval Sea Systems Command).
Key specifications for 803-6397420-32: Spring Free Outside Diameter: 4.880 INCHES NOMINAL IN; End Style: SHORT HOOK, END BOTH ENDS; End Length: 2.565 INCHES NOMINAL BOTH ENDS IN; Style Designator: SINGLE TORSION RIGHT HAND. 13 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.