The Cap,protective,nut and Bolt Hea, cataloged under National Stock Number 5340-01-657-1906, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-657-1906 |
| Item Name | Cap,protective,nut and Bolt Hea |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Supplementary Features | SIZE:B07,SEALANT:PR-2001 |
| 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 |
|---|---|
| 2001B002AMB007SE | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-657-1906 is a Cap,protective,nut and Bolt Hea, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-657-1906: Supplementary Features: SIZE:B07,SEALANT:PR-2001; Part Name Assigned by Controlling Agency: SEAL CAP; End Item Identification: CP-140. 1 specification is 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.