The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-248-1545, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-248-1545 |
| Primary Part Number | DS-935393 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| First Step Diameter | 0.8130 INCHES NOMINAL IN |
| Material Hardness Rating | 49.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| End Diameter | 0.6100 INCHES NOMINAL IN |
| Distance From End to First Step | 0.1090 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Counterbore Length | 0.1250 INCHES NOMINAL IN |
| Counterbore Diameter | 0.3750 INCHES NOMINAL IN |
| Bore Diameter | 0.2890 INCHES MINIMUM AND 0.2930 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 |
|---|---|
| DS-935393 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 5953 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-248-1545 is a Seat,helical Compression Spring, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-248-1545 has 1 manufacturer part number on file: DS-935393 (Eaton Aerospace, Llc Dba Jackson South).
3 possible matches (shared part number, not a government interchangeability claim): 2520-00-738-0484, 5950-00-822-9835, 5999-01-632-1491. Verify interchangeability with system specifications before substitution.
Key specifications for DS-935393: Overall Height: 0.1720 INCHES NOMINAL IN; First Step Diameter: 0.8130 INCHES NOMINAL IN; Material Hardness Rating: 49.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; End Diameter: 0.6100 INCHES NOMINAL IN. 10 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.