The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-641-3939, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-641-3939 |
| Primary Part Number | 782204-K01 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Design Type | THREADED |
| Connector Nominal Thread Size for Which Designed | 1.1875 INCHES IN |
| Surface Treatment | NICKEL |
| Thread Class | 2B |
| Material | COPPER ALLOY |
| Thread Size and Series/type Designator | 1.1875-18UNF UNF |
| 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 |
|---|---|
| 782204-K01 | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MTX APCMK-14-0003 REV A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-641-3939 is a Cap,protective,dust and Moisture, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-641-3939 has 1 manufacturer part number on file: 782204-K01 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
Key specifications for 782204-K01: Design Type: THREADED; Connector Nominal Thread Size for Which Designed: 1.1875 INCHES IN; Special Features: THIS DUST CAP ASSEMBLY INCLUDES LOCTITE, AMPLUG, AND DUST CAP WITH LANYARD; Surface Treatment: NICKEL. 6 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.