The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-531-1940, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-531-1940 |
| Primary Part Number | 512-6404659 FIND 26 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 512-6404652-165 | Naval Sea Systems Command (USA) |
| 512-6404659 FIND 26 PRIMARY | Naval Sea Systems Command (USA) |
| 512-6404659-26 PRIMARY | Naval Sea Systems Command (USA) |
| 512-6404659 FIND 26 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| DF6053-174-26 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 14549152 | 5/2 Secondary reference U.S. Government activity |
| 512-6404652 FIND 165 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5340-01-531-1940 is a Cap,protective,dust and Moisture, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-531-1940 has 5 manufacturer part numbers on file: 512-6404652-165 (Naval Sea Systems Command), 512-6404659 FIND 26 (Naval Sea Systems Command), 512-6404659-26 (Naval Sea Systems Command), 512-6404659 FIND 26 (Huntington Ingalls Inc Div Newport News Shipbuilding), DF6053-174-26 (Huntington Ingalls Inc Div Newport News Shipbuilding).
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.