The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-293-5562, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-293-5562 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| First Step Diameter | 3.5800 INCHES MINIMUM AND 3.5900 INCHES MAXIMUM IN |
| End Diameter | 3.1900 INCHES MINIMUM AND 3.2100 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Material Document and Classification | MIL-S-7720, COMP 302 MIL SPEC SINGLE MATERIAL RESPONSE |
| Counterbore Length | 0.0400 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN |
| Bore Diameter | 3.1200 INCHES MINIMUM AND 3.1300 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 |
| 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 |
|---|---|
| S9406-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-293-5562 is a Seat,helical Compression Spring, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-293-5562: Overall Height: 0.1850 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN; First Step Diameter: 3.5800 INCHES MINIMUM AND 3.5900 INCHES MAXIMUM IN; End Diameter: 3.1900 INCHES MINIMUM AND 3.2100 INCHES MAXIMUM IN; Distance From End to First Step: 0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM IN. 8 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.