The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-351-7410, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-351-7410 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Flange Diameter | 0.368 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN |
| Flange Thickness | 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Style Designator | PARALLEL |
| Material Document and Classification | AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 0.198 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Outside Chamfer Angle in Deg | 20.0 |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3094677-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-351-7410 is a Retainer,helical Compression Spr, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-351-7410: Flange Diameter: 0.368 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN; Overall Height: 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN; Flange Thickness: 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN; Body Outside Diameter: 0.248 INCHES MINIMUM AND 0.252 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.
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.