The Spring,helical,compression, cataloged under National Stock Number 5360-00-321-6418, 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 Motors Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-00-321-6418 |
| Primary Part Number | 5646582 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.510 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.212 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 0.550 INCHES NOMINAL IN |
| Spring Deflection Rate | 3.750 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.445 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.513 INCHES NOMINAL IN |
| Coil Quantity | 6.059 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| 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 |
|---|---|
| 5646582 PRIMARY | General Motors Corp (USA) |
| 5291787 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 1542947 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 1542947 | 5/9 Secondary reference General Motors Corp |
| 1542947 | 5/9 Secondary reference General Motors Llc Dba General Motors |
NSN 5360-00-321-6418 is a Spring,helical,compression, manufactured by General Motors Corp, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-321-6418 has 2 manufacturer part numbers on file: 5646582 (General Motors Corp), 5291787 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 5646582: Spring Free Outside Diameter: 0.510 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.212 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 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.