The Spring,helical,compression, cataloged under National Stock Number 5360-00-337-4802, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 13 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 | 5360-00-337-4802 |
| Primary Part Number | HC4478 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.532 INCHES NOMINAL IN |
| Load Rating | 0.31 POUNDS MINIMUM AND 0.66 POUNDS MAXIMUM LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | MIL-S-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.557 INCHES NOMINAL IN |
| Spring Deflection Rate | 3.600 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.472 INCHES NOMINAL IN |
| Spring Length Under Load | 0.375 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Coil Quantity | 4-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.547 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| HC4478 PRIMARY | Raytheon Company (USA) |
NSN 5360-00-337-4802 is a Spring,helical,compression, manufactured by Raytheon Company, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-337-4802 has 1 manufacturer part number on file: HC4478 (Raytheon Company).
Key specifications for HC4478: Spring Free Outside Diameter: 0.532 INCHES NOMINAL IN; Load Rating: 0.31 POUNDS MINIMUM AND 0.66 POUNDS MAXIMUM LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL. 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.