A51H9221-5: VALVE,RESTRICTOR CHECK.
The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, thread_class: 3B FIRST END, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: GASKET SEAL (BOSS) FIRST END, special_features: INSTALLATION OF JAM NUT AND TORQUE TO 10 INCH POUNDS;FLIGHT SAFETY CRITICAL IN, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.
Government catalog under NSN 4820-01-159-4523, 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 | ALUMINUM ALLOY OVERALL |
| thread_class | 3B FIRST END |
| connection_type | THREADED EXTERNAL BOSS SECOND END |
| connection_style | GASKET SEAL (BOSS) FIRST END |
| special_features | INSTALLATION OF JAM NUT AND TORQUE TO 10 INCH POUNDS;FLIGHT SAFETY CRITICAL IN |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND FIRST END |
| aperture_diameter | 0.030 INCHES NOMINAL IN |
| mounting_position | HORIZONTAL |
| flow_control_device | POPPET |
| nominal_thread_size | 0.562 INCHES FIRST END IN |
| valve_operation_method | AUTOMATIC |
| NSN | 4820-01-159-4523 |
| FLOW CONTROL DEVICE | POPPET |
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| CONNECTION STYLE | GASKET SEAL (BOSS) FIRST END |
| MOUNTING POSITION | HORIZONTAL |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| CONNECTION TYPE | THREADED INTERNAL BOSS FIRST END |
| CONNECTION TYPE | THREADED EXTERNAL BOSS SECOND END |
| STYLE DESIGNATOR | STRAIGHT THRU |
| APERTURE DIAMETER | 0.030 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND SECOND END |
No substitute or cross-reference records for this part.