The Valve,fluid Pressure Regulating,, cataloged under National Stock Number 1650-01-478-1503, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Triumph Actuation Systems - Connecticut, Llc. 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 | 1650-01-478-1503 |
| Primary Part Number | 4308330-1 |
| Item Name | Valve,fluid Pressure Regulating, |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Triumph Actuation Systems - Connecticut, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4308330-1 PRIMARY | Triumph Actuation Systems - Connecticut, Llc (USA) |
NSN 1650-01-478-1503 is a Valve,fluid Pressure Regulating,, manufactured by Triumph Actuation Systems - Connecticut, Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-478-1503 has 1 manufacturer part number on file: 4308330-1 (Triumph Actuation Systems - Connecticut, Llc).
Key specifications for 4308330-1: Part Name Assigned by Controlling Agency: VALVE, DAMPING, AIRCRAFT; End Item Identification: FIGHTER, AIRCRAFT-FIRST. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1650-01-478-1503 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.