The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-023-7017, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5340-01-023-7017 |
| Primary Part Number | 373131 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Material Hardness Rating | 82.0 ROCKWELL A NOMINAL |
| End Diameter | 0.8400 INCHES NOMINAL IN |
| Design Type | SOLID |
| Chamfer Angle in Deg | 30.0 |
| Spherical Seat Top Radius | 0.1880 INCHES NOMINAL 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 |
| Part Number | Manufacturer |
|---|---|
| 373131 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 5340-01-023-7017 is a Seat,helical Compression Spring, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-023-7017 has 1 manufacturer part number on file: 373131 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-550-4306. Verify interchangeability with system specifications before substitution.
Key specifications for 373131: Overall Height: 0.9000 INCHES NOMINAL IN; Material Hardness Rating: 82.0 ROCKWELL A NOMINAL; End Diameter: 0.8400 INCHES NOMINAL IN; Design Type: SOLID. 6 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.