The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-044-0267, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 11 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-044-0267 |
| Primary Part Number | 11579085 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| First Step Diameter | 1.1170 INCHES MINIMUM AND 1.1220 INCHES MAXIMUM IN |
| Material Hardness Rating | 25.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MINIMUM AND 31.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MAXIMUM |
| End Diameter | 0.8800 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.1400 INCHES MINIMUM AND 0.1500 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Counterbore Length | 0.1400 INCHES MINIMUM AND 0.1500 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.5300 INCHES MINIMUM AND 0.5400 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE |
| Bore Diameter | 0.6870 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 11579085 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 5340-01-044-0267 is a Seat,helical Compression Spring, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-044-0267 has 1 manufacturer part number on file: 11579085 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 11579085: Overall Height: 0.2900 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM IN; First Step Diameter: 1.1170 INCHES MINIMUM AND 1.1220 INCHES MAXIMUM IN; Material Hardness Rating: 25.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MINIMUM AND 31.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MAXIMUM; End Diameter: 0.8800 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN. 11 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 5340-01-044-0267 has DEMIL Code Q. 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.