The Spring,helical,compression, cataloged under National Stock Number 5360-00-446-6408, 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 Electric Company. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-446-6408 |
| Primary Part Number | 6658953 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.000 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.5625 INCHES NOMINAL IN |
| Spring Deflection Rate | 26.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.8125 INCHES NOMINAL IN |
| Coil Quantity | 7 |
| Surface Treatment | CADMIUM AND ZINC OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| 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 |
|---|---|
| 6658953 | General Electric Company (USA) |
| WW5544155PC50 | General Electric Company (USA) |
| WW6665695SH1PC6 | General Electric Company (USA) |
| WW6664268PC167 | General Electric Company (USA) |
| W5544134SH1PC19 | General Electric Company (USA) |
| 1336571 | General Electric Company (USA) |
| WW5599156PC19 | General Electric Company (USA) |
| 5547036-19 | General Electric Company (USA) |
| W5547036SH1PC19 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 6658953-001 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
NSN 5360-00-446-6408 is a Spring,helical,compression, manufactured by General Electric Company, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-446-6408 has 9 manufacturer part numbers on file: 6658953 (General Electric Company), WW5544155PC50 (General Electric Company), WW6665695SH1PC6 (General Electric Company), WW6664268PC167 (General Electric Company), W5544134SH1PC19 (General Electric Company) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 3110-01-602-5961. Verify interchangeability with system specifications before substitution.
Key specifications for 6658953: Spring Free Outside Diameter: 1.000 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Spring Free Length: 2.5625 INCHES NOMINAL IN. 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.