The Valve,vent, cataloged under National Stock Number 4820-01-346-9674, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Valve,vent |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Woodward Governor Company Dba Aircraft Product Service Center Div Aircraft Products Center (CAGE 0JAU7); Woodward, Inc. Div Fuel Systems and Controls (CAGE 66503) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-346-9674 |
| Primary Part Number | 5225-532 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 5225-532 | Woodward Governor Company Dba Aircraft Product Service Center Div Aircraft Products Center (USA) |
| 5225-532 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
| Reference | Meaning |
|---|---|
| 5225-532 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-346-9674 is a Valve,vent, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-346-9674 has 2 manufacturer part numbers on file: 5225-532 (Woodward Governor Company Dba Aircraft Product Service Center Div Aircraft Products Center), 5225-532 (Woodward, Inc. Div Fuel Systems and Controls).
No hazard code in the DLA record (HMIC N). 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.