The Valve Assembly,hydraulic,aircraf, cataloged under National Stock Number 1650-01-642-4610, 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 Textron Aviation Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1650-01-642-4610 |
| Primary Part Number | 25UM183-1 |
| Item Name | Valve Assembly,hydraulic,aircraf |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Supplementary Features | MAIN LANDING GEAR,LH AND RH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 25UM183-1 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 25UM183-1 | 3/9 Design control — primary reference Beechcraft Corporation Dba Textron Aviation |
NSN 1650-01-642-4610 is a Valve Assembly,hydraulic,aircraf, manufactured by Textron Aviation Inc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-642-4610 has 1 manufacturer part number on file: 25UM183-1 (Textron Aviation Inc).
Key specifications for 25UM183-1: Supplementary Features: MAIN LANDING GEAR,LH AND RH; Part Name Assigned by Controlling Agency: ADAPTOR; End Item Identification: HAWKER 800XP AIRCRAFT. 1 specification is 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.
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.