The Plug,vent, cataloged under National Stock Number 5340-01-350-4281, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-350-4281 |
| Primary Part Number | 6547618 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Vent Hole Diameter | 0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN |
| Length | 1.100 INCHES NOMINAL IN |
| Vent Hole Shape | ROUND |
| Thread Length | 0.429 INCHES NOMINAL IN |
| End Connection Type | THREADED |
| Outside Diameter | 1.060 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN |
| Unthreaded End Length | 0.225 INCHES NOMINAL IN |
| Inside Diameter | 0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Material | PLASTIC, POLYETHYLENE (PP) |
| Thread Size and Series/type Designator | 1.187-12 UNIFIED NATIONAL COARSE (UNC) |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 6547618 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-350-4281 is a Plug,vent, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-350-4281 has 1 manufacturer part number on file: 6547618 (Naval Sea Systems Command).
Key specifications for 6547618: Vent Hole Diameter: 0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN; Length: 1.100 INCHES NOMINAL IN; Vent Hole Shape: ROUND; Thread Length: 0.429 INCHES NOMINAL IN. 12 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.