The Cover,protective,dust and Moistu, cataloged under National Stock Number 5340-01-643-7790, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Smiths Detection. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-643-7790 |
| Primary Part Number | 027-4029 |
| Item Name | Cover,protective,dust and Moistu |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Smiths Detection |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 027-4029 PRIMARY | Smiths Detection (USA) |
| Reference | Meaning |
|---|---|
| 027-4029 | 5/9 Secondary reference Smiths Detection Us, Llc |
NSN 5340-01-643-7790 is a Cover,protective,dust and Moistu, manufactured by Smiths Detection, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-643-7790 has 1 manufacturer part number on file: 027-4029 (Smiths Detection).
Key specifications for 027-4029: Special Features: 12.0X5.92X1.37CM CM; Part Name Assigned by Controlling Agency: DIRECT AIR EXCHANGE PORT COVER; End Item Identification: GUARDIAN GC/MS - 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.