The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-004-2262, 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 7 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 | 5340-01-004-2262 |
| Primary Part Number | 297036 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| First Step Diameter | 0.8000 INCHES MINIMUM AND 0.8060 INCHES MAXIMUM IN |
| Material Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| End Diameter | 0.6550 INCHES MINIMUM AND 0.6600 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.0300 INCHES MINIMUM AND 0.0460 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Bore Diameter | 0.5400 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM 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 |
|---|---|
| 297036 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 5340-01-004-2262 is a Seat,helical Compression Spring, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-004-2262 has 1 manufacturer part number on file: 297036 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 2945-01-102-5123. Verify interchangeability with system specifications before substitution.
Key specifications for 297036: Overall Height: 0.0900 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN; First Step Diameter: 0.8000 INCHES MINIMUM AND 0.8060 INCHES MAXIMUM IN; Material Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM; End Diameter: 0.6550 INCHES MINIMUM AND 0.6600 INCHES MAXIMUM IN. 7 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.