The Spring,helical,compression, cataloged under National Stock Number 5360-01-346-4530, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-346-4530 |
| Primary Part Number | 803-5184173 PC 31 |
| 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 | 0.500 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 1.125 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM B159-52,ALLOY C ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.125 INCHES NOMINAL IN |
| Inside Diameter | 0.376 INCHES NOMINAL IN |
| Coil Quantity | 6 1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.531 INCHES NOMINAL IN |
| Material | COPPER ALLOY 521 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 |
|---|---|
| 803-1623943 PC 49 | Naval Sea Systems Command (USA) |
| 803-5184173 PC 31 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 8100-1251-0284 PC 056 | C/1 Advisory reference — outside the item-of-supply concept Bath Iron Works Corporation |
| 803-1623943 PC 49 | 5/2 Secondary reference U.S. Government activity |
| 803-1401892 PC 31 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-01-346-4530 is a Spring,helical,compression, manufactured by Naval Sea Systems Command, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-346-4530 has 2 manufacturer part numbers on file: 803-1623943 PC 49 (Naval Sea Systems Command), 803-5184173 PC 31 (Naval Sea Systems Command).
Key specifications for 803-5184173 PC 31: Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 1.125 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 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.