The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-681-7409, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Federal Equipment Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-681-7409 |
| Primary Part Number | DM-20-BR |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Federal Equipment Co |
| Status | ACTIVE |
| Design Type | THREADED |
| Overall Diameter | 22.0 MILLIMETERS NOMINAL MM |
| Connector Nominal Thread Size for Which Designed | 20.0 MILLIMETERS MM |
| Features Provided | ROHS DIRECTIVE COMPLIANCE |
| Opening Inside Diameter for Which Designed | 20.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | NICKEL |
| Material | COPPER ALLOY AND ZINC |
| Thread Size and Series/type Designator | 1.5 ISO M |
| 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 |
NSN 5340-01-681-7409 is a Cap,protective,dust and Moisture, manufactured by Federal Equipment Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-681-7409 has 2 manufacturer part numbers on file: DM-20-BR (Sealcon Llc), DM-20-BR (Federal Equipment Co).
Key specifications for DM-20-BR: Overall Height: 9.5 MILLIMETERS NOMINAL MM; Design Type: THREADED; Overall Diameter: 22.0 MILLIMETERS NOMINAL MM; Connector Nominal Thread Size for Which Designed: 20.0 MILLIMETERS MM. 8 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.