A488-4B1-2: VALVE,CHECK.
The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, thread_direction: RIGHT-HAND ALL ENDS, mounting_position: HORIZONTAL. This part is cataloged in the U.S.
Government catalog under NSN 4820-01-190-0348, 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.
| material | COPPER ALLOY BODY |
| seat_angle | 37.0 DEGREES ALL ENDS |
| thread_class | 3A ALL ENDS A |
| connection_type | THREADED EXTERNAL TUBE ALL ENDS |
| thread_direction | RIGHT-HAND ALL ENDS |
| mounting_position | HORIZONTAL |
| operating_pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| disk_loading_method | SPRING |
| flow_control_device | POPPET |
| nominal_thread_size | 0.438 INCHES ALL ENDS IN |
| maximum_operating_temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| valve_operation_method | AUTOMATIC |
| NSN | 4820-01-190-0348 |
| FLOW CONTROL DEVICE | POPPET |
| MOUNTING POSITION | HORIZONTAL |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS IN |
| SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| MAXIMUM OPERATING TEMP | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| DISK LOADING METHOD | SPRING |
| MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SECOND RESPONSE |
No substitute or cross-reference records for this part.