The Plug,vent, cataloged under National Stock Number 5340-00-075-2579, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. 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 | 5340-00-075-2579 |
| Primary Part Number | 7A39025 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| FSC Application Data | VALVE,JET ENGINE,ANTI ICING |
| Vent Hole Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Length | 0.620 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN |
| Vent Hole Shape | ROUND |
| Thread Length | 0.370 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4117, T6 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4150, T6 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.061 INCHES NOMINAL IN |
| Inside Diameter | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Thread Class | 3A A |
| Material | ALUMINUM ALLOY 6061 |
| Thread Size and Series/type Designator | F7/16-20 UN |
| 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 |
|---|---|
| 7A39025 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5340-00-075-2579 is a Plug,vent, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-075-2579 has 1 manufacturer part number on file: 7A39025 (Triumph Engine Control Systems Llc).
Key specifications for 7A39025: FSC Application Data: VALVE,JET ENGINE,ANTI ICING; Vent Hole Diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Length: 0.620 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN; Vent Hole Shape: ROUND. 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.