The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-860-8762, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-860-8762 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| FSC Application Data | VALVE TRANSFER |
| First Step Diameter | 0.7500 INCHES NOMINAL IN |
| End Diameter | 0.5900 INCHES MINIMUM AND 0.6000 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Counterbore Length | 0.1400 INCHES NOMINAL IN |
| Second Step Diameter | 0.8750 INCHES NOMINAL IN |
| Counterbore Diameter | 0.6700 INCHES NOMINAL IN |
| First Step Length | 0.2000 INCHES NOMINAL IN |
| Bore Diameter | 0.1870 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 215022 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-860-8762 is a Seat,helical Compression Spring, classified under FSC 5340, Hardware, Commercial. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5950-00-997-8057, 1630-01-471-7192, 5920-01-623-9474. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-00-860-8762: Overall Height: 0.2500 INCHES NOMINAL IN; FSC Application Data: VALVE TRANSFER; First Step Diameter: 0.7500 INCHES NOMINAL IN; End Diameter: 0.5900 INCHES MINIMUM AND 0.6000 INCHES MAXIMUM IN. 12 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5340-00-860-8762 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.