The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-291-2315, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-291-2315 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Style Designator | IRREGULAR |
| Material Document and Classification | QQ-A-225/9, ALLOY 7075, T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-250/12, ALLOY 7075, T6 FED SPEC 2ND MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.153 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.600 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 7075 |
| End Hole Diameter | 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| 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 |
| Reference | Meaning |
|---|---|
| A50845-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-291-2315 is a Retainer,helical Compression Spr, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-291-2315: Overall Height: 0.810 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE; Style Designator: IRREGULAR; Material Document and Classification: QQ-A-225/9, ALLOY 7075, T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-250/12, ALLOY 7075, T6 FED SPEC 2ND MATERIAL RESPONSE. 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.