The Plug,vent, cataloged under National Stock Number 5340-01-488-4779, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is West Marine Products, Inc. Div Government Sales. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-488-4779 |
| Primary Part Number | 400681 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | West Marine Products, Inc. Div Government Sales |
| Status | ACTIVE |
| Refinement Medium Type | STRAINING |
| Vent Hole Shape | ROUND |
| Material | COPPER ALLOY |
| Vent Hole Quantity | 3 |
| Refinement Device Type | WIRE FABRIC |
| 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 |
|---|---|
| 400681 PRIMARY | West Marine Products, Inc. Div Government Sales (USA) |
NSN 5340-01-488-4779 is a Plug,vent, manufactured by West Marine Products, Inc. Div Government Sales, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-488-4779 has 1 manufacturer part number on file: 400681 (West Marine Products, Inc. Div Government Sales).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-495-4041. Verify interchangeability with system specifications before substitution.
Key specifications for 400681: Refinement Medium Type: STRAINING; Vent Hole Shape: ROUND; End Item Identification: FORWARD REPAIR SYSTEM (FRS) NSN 4940-01-463-7940; PALLETIZED LOADING SYSTEM; Material: COPPER ALLOY. 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.