The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-497-6086, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-497-6086 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Design Type | SOLID |
| Material Document and Classification | AMS 5062 ASSN STD SINGLE MATERIAL RESPONSE |
| Spherical Seat Top Radius | 0.0340 INCHES NOMINAL IN |
| Material | STEEL COMP 1020 |
| 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 |
|---|---|
| 694278 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-497-6086 is a Seat,helical Compression Spring, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-497-6086: Design Type: SOLID; Material Document and Classification: AMS 5062 ASSN STD SINGLE MATERIAL RESPONSE; Special Features: SEAT SPRING; WITH OUTSIDE 9/16 - 24 NEF - 2A THD; .260 MAX DIA INSIDE HOLE; .156 WIDTH, .500 LENGTH AND .469 DIA SEAT FOR A CLUTCH & GOVERNOR ASSEMBLY A; Part Name Assigned by Controlling Agency: SEAT SPRING. 4 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.