The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-360-1626, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-360-1626 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| First Step Diameter | 0.2300 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN |
| Material Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| End Diameter | 0.1150 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.1940 INCHES MINIMUM AND 0.2260 INCHES MAXIMUM IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 67548 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-360-1626 is a Seat,helical Compression Spring, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-641-4146. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-00-360-1626: Overall Height: 0.2340 INCHES MINIMUM AND 0.2660 INCHES MAXIMUM IN; First Step Diameter: 0.2300 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN; Material Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM; End Diameter: 0.1150 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN. 5 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.
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.