8191B4AS2: VALVE,ROTARY,SELECTOR.
The VALVE,ROTARY,SELECTOR is a the manufacturer industrial component. Key specifications include flow_type: THREE-WAY, valve_size: 0.250 INCHES IN, thread_class: 3B, body_material: STEEL CORROSION RESISTING, connection_type: THREADED INTERNAL BOSS, special_features: ANGLE DRILLING; BUNA-N O-RING. This part is cataloged in the U.S.
Government catalog under NSN 4820-00-778-1578, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| flow_type | THREE-WAY |
| valve_size | 0.250 INCHES IN |
| thread_class | 3B |
| body_material | STEEL CORROSION RESISTING |
| connection_type | THREADED INTERNAL BOSS |
| special_features | ANGLE DRILLING; BUNA-N O-RING |
| mounting_facility | INLINE |
| connection_location | SIDE |
| connection_quantity | 3 |
| flow_control_device | PORTED ROTOR |
| nominal_thread_size | 0.438 INCHES IN |
| valve_operation_method | MANUAL |
| NSN | 4820-00-778-1578 |
| FLOW CONTROL DEVICE | PORTED ROTOR |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 160.0 FAHRENHEIT AIR DEGF |
| OPERATING PRESSURE AND TYPE | 4000.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS |
| CONNECTION TYPE | THREADED INTERNAL BOSS |
| VALVE SIZE | 0.250 INCHES IN |
| FLOW TYPE | THREE-WAY |
| NOMINAL THREAD SIZE | 0.438 INCHES IN |
| BODY MATERIAL | STEEL CORROSION RESISTING |
| MOUNTING FACILITY | INLINE |
| CONNECTION LOCATION | SIDE |