The Valve,rotary,selector, cataloged under National Stock Number 4820-01-112-0663, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-112-0663 |
| Primary Part Number | 8041E-1/2 HS2 |
| Item Name | Valve,rotary,selector |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris |
| Status | ACTIVE |
| Flow Control Device | PORTED ROTOR |
| Maximum Operating Temp and Media for Which Designed | 160.0 FAHRENHEIT OIL, HYDRAULIC DEGF |
| Connection Type | THREADED INTERNAL PIPE |
| Valve Size | 0.500 INCHES IN |
| Flow Type | FOUR-WAY |
| Nominal Thread Size | 0.500 INCHES IN |
| Body Material | STEEL CORROSION RESISTING |
| Mounting Facility | INLINE |
| Connection Location | SIDE |
| Connection Quantity | 4 |
| Thread Series Designator | NPT |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 8041E-1/2 HS2 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA) |
| Reference | Meaning |
|---|---|
| 8041E 1-2 HS2 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-112-0663 is a Valve,rotary,selector, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-112-0663 has 1 manufacturer part number on file: 8041E-1/2 HS2 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).
Key specifications for 8041E-1/2 HS2: Flow Control Device: PORTED ROTOR; Maximum Operating Temp and Media for Which Designed: 160.0 FAHRENHEIT OIL, HYDRAULIC DEGF; Connection Type: THREADED INTERNAL PIPE; Valve Size: 0.500 INCHES IN. 12 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.
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.