The Plug,vent, cataloged under National Stock Number 5340-00-511-8540, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 14 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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-511-8540 |
| Primary Part Number | 510756 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| FSC Application Data | STARTER,PNEUMATIC |
| Refinement Medium Type | FILTERING |
| Vent Hole Diameter | 0.125 INCHES NOMINAL IN |
| Length | 1.060 INCHES NOMINAL IN |
| Vent Hole Shape | ROUND |
| Thread Length | 0.750 INCHES NOMINAL IN |
| End Connection Type | THREADED |
| Outside Diameter | 0.990 INCHES NOMINAL IN |
| Inside Diameter | 0.125 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Thread Class | 2A A |
| Material | ALUMINUM ALLOY |
| Vent Hole Quantity | 4 |
| Refinement Device Type | FILTER DISK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 510756 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5340-00-511-8540 is a Plug,vent, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-511-8540 has 1 manufacturer part number on file: 510756 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 510756: FSC Application Data: STARTER,PNEUMATIC; Refinement Medium Type: FILTERING; Vent Hole Diameter: 0.125 INCHES NOMINAL IN; Length: 1.060 INCHES NOMINAL IN. 14 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.