The Plug,vent, cataloged under National Stock Number 5340-01-243-2333, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Tactair Fluid Controls Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-243-2333 |
| Primary Part Number | 28-40054-8 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Refinement Medium Type | FILTERING |
| Vent Hole Shape | ROUND |
| Material | ALUMINUM ALLOY |
| Vent Hole Quantity | 1 |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 28-40054-8 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 28-40054-8 | 5/9 Secondary reference U.S. Government activity |
| 28-40054-7 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-243-2333 is a Plug,vent, manufactured by Tactair Fluid Controls Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-243-2333 has 1 manufacturer part number on file: 28-40054-8 (Tactair Fluid Controls Inc).
Key specifications for 28-40054-8: Refinement Medium Type: FILTERING; Vent Hole Shape: ROUND; Material: ALUMINUM ALLOY; Vent Hole Quantity: 1. 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.