The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-281-1004, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Central Valley Machine Inc Dba Central Valley Machine Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-281-1004 |
| Primary Part Number | 44-1388 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Central Valley Machine Inc Dba Central Valley Machine Inc |
| Status | ACTIVE |
| Supplementary Features | USED ON AUXILLARY POWER SUPPLY ASSEMBLY P/N 144-100-1 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 44-1388 | Central Valley Machine Inc Dba Central Valley Machine Inc (USA) |
| 44-1388 | Foremaster Tool Company (USA) |
| 44-1388 | City of Pensacola Div Port of Pensacola (USA) |
| 44-1388 | True Position Inc. (USA) |
| Reference | Meaning |
|---|---|
| 44-1388 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-281-1004 is a Cap,protective,dust and Moisture, manufactured by Central Valley Machine Inc Dba Central Valley Machine Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-281-1004 has 4 manufacturer part numbers on file: 44-1388 (Central Valley Machine Inc Dba Central Valley Machine Inc), 44-1388 (Foremaster Tool Company), 44-1388 (City of Pensacola Div Port of Pensacola), 44-1388 (True Position Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5865-00-444-2761. Verify interchangeability with system specifications before substitution.
Key specifications for 44-1388: Supplementary Features: USED ON AUXILLARY POWER SUPPLY ASSEMBLY P/N 144-100-1; End Item Identification: LGM-30 MISSILE. 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.