The Plug,vent, cataloged under National Stock Number 5340-01-320-7332, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 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 | 5340-01-320-7332 |
| Primary Part Number | 3158806 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 2.265 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| End Connection Type | THREADED |
| Unthreaded End Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Material Document and Classification | CAGE 10001, COMP 4140, OD 8853, TYPE D, GRADE I, CLASS C MIL SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE |
| Thread Class | 3A A |
| Material | STEEL |
| Thread Size and Series/type Designator | 1/2-20 UNF |
| 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 |
|---|---|
| 3158806 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5340-01-320-7332 is a Plug,vent, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-320-7332 has 1 manufacturer part number on file: 3158806 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3158806: Length: 2.265 INCHES NOMINAL IN; Thread Length: 0.375 INCHES NOMINAL IN; End Connection Type: THREADED; Unthreaded End Diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM 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.