The Spring,helical,extension, cataloged under National Stock Number 5360-00-446-6417, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-446-6417 |
| Primary Part Number | 1336974 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.546 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 4.188 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN |
| Spring Deflection Rate | 3.800 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.406 INCHES MINIMUM IN |
| Coil Quantity | 44 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.281 INCHES NOMINAL BOTH ENDS IN |
| 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 |
|---|---|
| 1336974 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 1336974 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
NSN 5360-00-446-6417 is a Spring,helical,extension, manufactured by General Electric Company, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-446-6417 has 1 manufacturer part number on file: 1336974 (General Electric Company).
Key specifications for 1336974: Spring Free Outside Diameter: 0.546 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; End Style: MACHINE LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 12 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.