The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-643-4162, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-643-4162 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| 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 |
|---|---|
| 027-4016 | 3/2 Design control — primary reference U.S. Government activity |
| 027-4016 | 5/9 Secondary reference Smiths Detection Us, Llc |
NSN 5340-01-643-4162 is a Cap,protective,dust and Moisture, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-643-4162: Part Name Assigned by Controlling Agency: EXHAUST/HELIUM PORT DECON CAP; End Item Identification: GUARDIAN- CHEMICAL IDENTIFIER AND MIXTURE ANALYSIS SYSTEM. 0 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.