The Spring,helical,compression, cataloged under National Stock Number 5360-01-478-2121, 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 10 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 | 5360-01-478-2121 |
| Primary Part Number | 124-4322619 PC 50 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.375 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-321, ALLOY 510 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.250 INCHES NOMINAL IN |
| Inside Diameter | 1.134 INCHES NOMINAL IN |
| Stock Diameter | 0.1205 INCHES NOMINAL IN |
| Coil Quantity | 5 |
| Coil Helix Direction | RIGHT-HAND |
| Material | COPPER ALLOY 510 OVERALL |
| 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 |
|---|---|
| 124-4322619 PC 50 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5360-01-478-2121 is a Spring,helical,compression, manufactured by Naval Sea Systems Command, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-478-2121 has 1 manufacturer part number on file: 124-4322619 PC 50 (Naval Sea Systems Command).
Key specifications for 124-4322619 PC 50: Spring Free Outside Diameter: 1.375 INCHES NOMINAL IN; End Style: SPRING END,SQUARED BOTH ENDS; Style Designator: CYLINDRICAL; Material Document and Classification: QQ-W-321, ALLOY 510 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 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.