The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-522-2444, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-522-2444 |
| Primary Part Number | 5222444 |
| 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 | 0.8750 INCHES NOMINAL IN |
| Material Hardness Rating | 80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM |
| End Diameter | 0.7340 INCHES MINIMUM AND 0.7810 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.0780 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Surface Treatment | PHOSPHATE |
| Bore Diameter | 0.4060 INCHES MINIMUM AND 0.4220 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 |
|---|---|
| 5222444 | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| Reference | Meaning |
|---|---|
| 200820289-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-522-2444 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 5340-00-522-2444 has 1 manufacturer part number on file: 5222444 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 5222444: Overall Height: 0.3910 INCHES NOMINAL IN; First Step Diameter: 0.8750 INCHES NOMINAL IN; Material Hardness Rating: 80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM; End Diameter: 0.7340 INCHES MINIMUM AND 0.7810 INCHES MAXIMUM IN. 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.
NSN 5340-00-522-2444 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.