The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-640-9651, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Marine Electric Systems Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-640-9651 |
| Primary Part Number | 205485-1 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Marine Electric Systems Inc |
| Status | ACTIVE |
| Design Type | THREADED |
| Material | STEEL |
| 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 |
|---|---|
| 205485-1 PRIMARY | Marine Electric Systems Inc (USA) |
| 402480-1 ITEM 4,5 | Marine Electric Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 205453-1 | 5/9 Secondary reference Marine Electric Systems Inc |
NSN 5340-01-640-9651 is a Cap,protective,dust and Moisture, manufactured by Marine Electric Systems Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-640-9651 has 2 manufacturer part numbers on file: 205485-1 (Marine Electric Systems Inc), 402480-1 ITEM 4,5 (Marine Electric Systems Inc).
Key specifications for 205485-1: Design Type: THREADED; Part Name Assigned by Controlling Agency: CLOSURE CAP ASSEMBLY; Material: STEEL. 2 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.