The Plug,vent, cataloged under National Stock Number 5340-01-437-7656, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-437-7656 |
| Primary Part Number | 14523-1 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| End Connection Type | THREADED |
| Vent Hole Quantity | 2 |
| 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 |
|---|---|
| 14523-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| Z00.N6003077225TBM | 5/9 Secondary reference Daher Aerospace - Ex Socata |
NSN 5340-01-437-7656 is a Plug,vent, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-437-7656 has 1 manufacturer part number on file: 14523-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 14523-1: End Connection Type: THREADED; Special Features: PLUG INCLUDES 1 SCREW 91610-2,1 SCREEN 91610-4,1 RIBBON,1 SCREW 14524-2 REGULATOR,CABIN PRESSURE; Vent Hole Quantity: 2. 2 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.