The Spring,helical,extension, cataloged under National Stock Number 5360-00-342-3140, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-342-3140 |
| Primary Part Number | K8385630P21 |
| 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 | 0.344 INCHES NOMINAL IN |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.500 INCHES NOMINAL IN |
| Inside Diameter | 0.288 INCHES NOMINAL IN |
| Coil Quantity | 36 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | COPPER ALLOY 511 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 |
|---|---|
| K8385630P21 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| K8385630P21 | 5/9 Secondary reference General Electric Co Chemical and Metallurgical Division of Industrial Components and Materials Group |
NSN 5360-00-342-3140 is a Spring,helical,extension, manufactured by General Electric Company, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-342-3140 has 1 manufacturer part number on file: K8385630P21 (General Electric Company).
Key specifications for K8385630P21: Spring Free Outside Diameter: 0.344 INCHES NOMINAL IN; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED; 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.