4CV643: VALVE,CHECK.
The VALVE,CHECK is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END. This part is cataloged in the U.S.
Government catalog under NSN 4820-00-940-7359, 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.
| seat_angle | 37.0 DEGREES FIRST END |
| thread_class | 3A FIRST END A |
| connection_type | THREADED EXTERNAL TUBE FIRST END |
| connection_style | FLARED (TUBE) FIRST END |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND FIRST END |
| operating_pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| nominal_thread_size | 0.438 INCHES FIRST END IN |
| valve_operation_method | AUTOMATIC |
| media_for_which_designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| thread_quantity_per_inch | 20 FIRST END |
| thread_series_designator | UNF FIRST END |
| NSN | 4820-00-940-7359 |
| CONNECTION STYLE | FLARED (TUBE) FIRST END |
| CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END |
| STYLE DESIGNATOR | STRAIGHT THRU |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES FIRST END IN |
| OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| THREAD DIRECTION | RIGHT-HAND FIRST END |
| NOMINAL THREAD SIZE | 0.438 INCHES FIRST END IN |
| SEAT ANGLE | 37.0 DEGREES FIRST END |
| MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| THREAD CLASS | 3A FIRST END A |