The Plug,vent, cataloged under National Stock Number 5340-01-266-3231, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 13 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 | 5340-01-266-3231 |
| Primary Part Number | 917AS8126 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Vent Hole Diameter | 0.055 INCHES NOMINAL IN |
| Length | 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Vent Hole Shape | ROUND |
| Thread Length | 0.180 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| End Connection Type | THREADED |
| Unthreaded End Diameter | 0.160 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A581, TYPE 303S, COND A ASSN STD SINGLE MATERIAL RESPONSE |
| Unthreaded End Length | 0.350 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Thread Class | 2A A |
| Material | STEEL |
| Thread Size and Series/type Designator | 8-32 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 |
|---|---|
| 917AS8126 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5340-01-266-3231 is a Plug,vent, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-266-3231 has 1 manufacturer part number on file: 917AS8126 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 917AS8126: Vent Hole Diameter: 0.055 INCHES NOMINAL IN; Length: 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Vent Hole Shape: ROUND; Thread Length: 0.180 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN. 13 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.