The Spring,helical,compression, cataloged under National Stock Number 5360-00-263-6779, 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 Dba Ge. Government technical data includes 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-263-6779 |
| Primary Part Number | 66343P1 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | General Electric Company Dba Ge |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.564 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Spring Solid Length | 0.359 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.000 INCHES NOMINAL IN |
| Spring Deflection Rate | 0.608 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Coil Helix Direction | LEFT-HAND |
| Material | COPPER ALLOY 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 |
|---|---|
| 66343P1 PRIMARY | General Electric Company Dba Ge (USA) |
| Reference | Meaning |
|---|---|
| 66343 | 5/9 Secondary reference General Electric Company |
| M5114410REVBITEM9K | 5/9 Secondary reference General Electric Company |
| M5114410REVBITEM8K | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| M5114410REVBITEM8K | 5/9 Secondary reference General Electric Company |
| M5114410REVBITEM9K | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
NSN 5360-00-263-6779 is a Spring,helical,compression, manufactured by General Electric Company Dba Ge, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-263-6779 has 1 manufacturer part number on file: 66343P1 (General Electric Company Dba Ge).
1 possible match (shared part number, not a government interchangeability claim): 5307-00-930-4324. Verify interchangeability with system specifications before substitution.
Key specifications for 66343P1: Spring Free Outside Diameter: 0.564 INCHES NOMINAL IN; End Style: SPRING END,SQUARED BOTH ENDS; Spring Solid Length: 0.359 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 9 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.