The Spring,helical,torsion, cataloged under National Stock Number 5360-01-310-4856, 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 11 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 | 5360-01-310-4856 |
| Primary Part Number | 221-5557344 PIECE 26 |
| 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 | 1.953 INCHES NOMINAL IN |
| End Style | STRAIGHT BEND END (RIGHT) OVERALL |
| End Length | 1.398 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 1.929 INCHES NOMINAL IN |
| Inside Diameter | 1.547 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 1.078 INCHES NOMINAL FIRST END IN |
| End Length From First Bend to Second Bend or End | 1.765 INCHES NOMINAL SECOND END IN |
| Coil Quantity | 9-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| 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 |
|---|---|
| 221-5557344 PIECE 26 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5360-01-310-4856 is a Spring,helical,torsion, manufactured by Naval Sea Systems Command, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-310-4856 has 1 manufacturer part number on file: 221-5557344 PIECE 26 (Naval Sea Systems Command).
Key specifications for 221-5557344 PIECE 26: Spring Free Outside Diameter: 1.953 INCHES NOMINAL IN; End Style: STRAIGHT BEND END (RIGHT) OVERALL; End Length: 1.398 INCHES NOMINAL BOTH ENDS IN; Style Designator: SINGLE TORSION LEFT HAND. 11 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.