The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-534-1889, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-534-1889 |
| Primary Part Number | 94111056 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems |
| Status | ACTIVE |
| Width Across Flats | 0.575 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 3 CHEMICAL FILM MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-A-200/8, ALLOY 6061, T6511 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | ALUMINUM ALLOY 6061 |
| Inside Diameter Length | 0.320 INCHES NOMINAL IN |
| 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 |
|---|---|
| 94111056 PRIMARY | Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems (USA) |
NSN 5340-01-534-1889 is a Cap,protective,dust and Moisture, manufactured by Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-534-1889 has 1 manufacturer part number on file: 94111056 (Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems).
Key specifications for 94111056: Width Across Flats: 0.575 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541, CLASS 3 CHEMICAL FILM MIL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-A-200/8, ALLOY 6061, T6511 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: BOLT DOWN SIDE TABS. 5 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.