The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-295-8707, 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12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-295-8707 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| FSC Application Data | SEAT,FLOATING,SPRING,CARTRIDGE,INPUT CONTROL |
| First Step Diameter | 1.4620 INCHES MINIMUM AND 1.4720 INCHES MAXIMUM IN |
| End Diameter | 1.1780 INCHES NOMINAL IN |
| Countersink Diameter | 1.0800 INCHES MINIMUM AND 1.0900 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | LC+77-2037 FSCM 36659,CLASS 1,GRADE A,TYPE 1 MFR REF SINGLE TREATMENT RESPONSE |
| Distance From End to First Step | 2.5700 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Material Document and Classification | C04-1076 FSCM 36659, TEMPER T73510 MFR REF SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.8300 INCHES MINIMUM AND 0.8400 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 7075 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 1210186-101 | 5/9 Secondary reference Lockheed Martin Corp Lockheed Martin Aeronautical Systems Burbank Opns |
| 1210186-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-295-8707 is a Seat,helical Compression Spring, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-295-8707: Overall Height: 2.6600 INCHES NOMINAL IN; FSC Application Data: SEAT,FLOATING,SPRING,CARTRIDGE,INPUT CONTROL; First Step Diameter: 1.4620 INCHES MINIMUM AND 1.4720 INCHES MAXIMUM IN; End Diameter: 1.1780 INCHES NOMINAL 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 5340-00-295-8707 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.