The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-051-2255, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-051-2255 |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Distance Between Mounting Hole Centers | 0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.127 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL COMP 4340 |
| 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 |
|---|---|
| 5340PL0846577 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C9544-7 | 7/2 Vendor item drawing reference U.S. Government activity |
| SL3493-7 | 3/2 Design control — primary reference U.S. Government activity |
| NS202233-070 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-051-2255 is a Retainer,nut and Bolt, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-051-2255: Overall Height: 0.285 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE; Distance Between Mounting Hole Centers: 0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE. 7 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.