The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-565-9120, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Armament Technology Incorporated. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Ashbury International Group Inc Div Ashbury Precision Ordnance Mfg. (CAGE 1BQD4); Armament Technology Incorporated (CAGE L0922) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-565-9120 |
| Primary Part Number | OPC-42N |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Armament Technology Incorporated |
| 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 |
|---|---|
| 190-37V-0001-00 | Ashbury International Group Inc Div Ashbury Precision Ordnance Mfg. (USA) |
| OPC-42N PRIMARY | Armament Technology Incorporated (CAN) |
| Reference | Meaning |
|---|---|
| OPC-42N | 3/9 Design control — primary reference Tenebraex Corp |
NSN 5340-01-565-9120 is a Cap,protective,dust and Moisture, manufactured by Armament Technology Incorporated, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-565-9120 has 2 manufacturer part numbers on file: 190-37V-0001-00 (Ashbury International Group Inc Div Ashbury Precision Ordnance Mfg.), OPC-42N (Armament Technology Incorporated).
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.