The Plug,vent, cataloged under National Stock Number 5340-01-039-6600, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-039-6600 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Vent Hole Diameter | 0.330 INCHES NOMINAL IN |
| Length | 2.780 INCHES NOMINAL IN |
| Vent Hole Shape | ROUND |
| Thread Length | 0.650 INCHES NOMINAL IN |
| End Connection Type | THREADED |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Class | 2A A |
| Material | STEEL |
| Thread Size and Series/type Designator | 1/2-14 NPT |
| Vent Hole Quantity | 1 |
| 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 |
| Reference | Meaning |
|---|---|
| 26-19061-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-039-6600 is a Plug,vent, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-039-6600: Vent Hole Diameter: 0.330 INCHES NOMINAL IN; Length: 2.780 INCHES NOMINAL IN; Vent Hole Shape: ROUND; Thread Length: 0.650 INCHES NOMINAL IN. 10 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.