The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-124-7972, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-124-7972 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| First Step Diameter | 0.4100 INCHES MINIMUM AND 0.4150 INCHES MAXIMUM IN |
| End Diameter | 0.2850 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE |
| Distance From End to First Step | 0.0940 INCHES NOMINAL IN |
| Design Type | SOLID |
| Material Document and Classification | QQ-S-763, CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.2200 INCHES MINIMUM AND 0.2260 INCHES MAXIMUM IN |
| Material | STEEL COMP 410 |
| 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 |
|---|---|
| 10112445 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 2795584-1 | 3/2 Design control — primary reference U.S. Government activity |
| 2795584-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
NSN 5340-01-124-7972 is a Seat,helical Compression Spring, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-124-7972: Overall Height: 0.1250 INCHES NOMINAL IN; First Step Diameter: 0.4100 INCHES MINIMUM AND 0.4150 INCHES MAXIMUM IN; End Diameter: 0.2850 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE. 9 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.