The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-522-2428, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-522-2428 |
| Primary Part Number | 5222428 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| FSC Application Data | GUN,DUAL,AUTOMATIC,40-MM |
| Body Outside Diameter | 0.972 INCHES MINIMUM AND 0.982 INCHES MAXIMUM IN |
| Style Designator | PARALLEL |
| Inside Chamfer Depth | 0.031 INCHES NOMINAL IN |
| Body Inside Diameter | 0.848 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN |
| Outside Chamfer Angle in Deg | 45.0 |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL |
| Outside Chamfer Depth | 0.062 INCHES NOMINAL IN |
| Inside Chamfer Angle in Deg | 45.0 |
| End Hole Diameter | 0.391 INCHES NOMINAL IN |
| 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 |
|---|---|
| 5222428 | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| Reference | Meaning |
|---|---|
| 200820294-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-522-2428 is a Retainer,helical Compression Spr, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-522-2428 has 1 manufacturer part number on file: 5222428 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 5222428: Overall Height: 0.469 INCHES NOMINAL IN; FSC Application Data: GUN,DUAL,AUTOMATIC,40-MM; Body Outside Diameter: 0.972 INCHES MINIMUM AND 0.982 INCHES MAXIMUM IN; Style Designator: PARALLEL. 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 5340-00-522-2428 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.