The Plug,vent, cataloged under National Stock Number 5340-01-540-4993, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Swagelok Co. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Plug,vent |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Thales Australia - Bendigo Land & Joint Systems (CAGE Z0655); Fluid Systems Technologies (es) Pty Ltd (CAGE ZX766); Swagelok Co (CAGE 3T9T9); Gascon Systems Pty Ltd (CAGE Z2ZD4) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-540-4993 |
| Primary Part Number | B-MD-6 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Refinement Medium Type | FILTERING |
| Length | 0.810 INCHES NOMINAL IN |
| End Connection Type | THREADED |
| Material Document and Classification | ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY 360 |
| Thread Size and Series/type Designator | 3/8 NPT |
| 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 |
NSN 5340-01-540-4993 is a Plug,vent, manufactured by Swagelok Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-540-4993 has 4 manufacturer part numbers on file: BM130430 (Thales Australia - Bendigo Land & Joint Systems), B-MD-6 (Fluid Systems Technologies (es) Pty Ltd), B-MD-6 (Swagelok Co), G2312 (Gascon Systems Pty Ltd).
Key specifications for B-MD-6: Refinement Medium Type: FILTERING; Length: 0.810 INCHES NOMINAL IN; End Connection Type: THREADED; Material Document and Classification: ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE. 7 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.