The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-455-2680, 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 8 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 | 5340-00-455-2680 |
| Primary Part Number | 11578076 |
| 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 |
| Flange Diameter | 0.750 INCHES NOMINAL IN |
| Flange Thickness | 0.060 INCHES NOMINAL IN |
| Body Outside Diameter | 0.442 INCHES NOMINAL IN |
| Style Designator | PARALLEL |
| Material Document and Classification | FED STD 66 AISI 1050C FED STD 2ND MATERIAL RESPONSE OR ASTM A512 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A513 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A519 ASSN STD 1ST MATERIAL RESPONSE |
| Body Inside Diameter | 0.322 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL OR STEEL COMP 1050 |
| 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 |
|---|---|
| 11578076 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 5340-00-455-2680 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 5340-00-455-2680 has 1 manufacturer part number on file: 11578076 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 11578076: Flange Diameter: 0.750 INCHES NOMINAL IN; Overall Height: 7.401 INCHES NOMINAL IN; Flange Thickness: 0.060 INCHES NOMINAL IN; Body Outside Diameter: 0.442 INCHES NOMINAL IN. 8 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.