The Plug,vent, cataloged under National Stock Number 5340-01-543-5018, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Dixon Valve & Coupling Company, Llc Div Dixon Fire. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-543-5018 |
| Primary Part Number | ASP-1BV |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Dixon Valve & Coupling Company, Llc Div Dixon Fire |
| Status | ACTIVE |
| Refinement Medium Type | FILTERING |
| Length | 0.438 INCHES NOMINAL IN |
| Thread Length | 0.438 INCHES NOMINAL IN |
| End Connection Type | THREADED |
| Surface Treatment | NICKEL |
| Material | STEEL |
| Thread Size and Series/type Designator | 1-8 NPT |
| Refinement Device Type | FILTER DISK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ASP-1BV PRIMARY | Dixon Valve & Coupling Company, Llc Div Dixon Fire (USA) |
| 10607402-2 | General Dynamics Land Systems Canadacorp (CAN) |
NSN 5340-01-543-5018 is a Plug,vent, manufactured by Dixon Valve & Coupling Company, Llc Div Dixon Fire, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-543-5018 has 2 manufacturer part numbers on file: ASP-1BV (Dixon Valve & Coupling Company, Llc Div Dixon Fire), 10607402-2 (General Dynamics Land Systems Canadacorp).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-624-6966. Verify interchangeability with system specifications before substitution.
Key specifications for ASP-1BV: Refinement Medium Type: FILTERING; Length: 0.438 INCHES NOMINAL IN; Thread Length: 0.438 INCHES NOMINAL IN; End Connection Type: THREADED. 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.