644XB-1-12-28: VALVE,SAFETY RELIEF.
The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL FLOW CONTROL DEVICE, seat_angle: 37.0 DEGREES FIRST END, bonnet_type: INSIDE SPRING, thread_class: 3A FIRST END A, thread_direction: RIGHT-HAND FIRST END, operating_pressure: 3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.
Government catalog under NSN 4820-01-183-2261, 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 | STEEL FLOW CONTROL DEVICE |
| seat_angle | 37.0 DEGREES FIRST END |
| bonnet_type | INSIDE SPRING |
| thread_class | 3A FIRST END A |
| thread_direction | RIGHT-HAND FIRST END |
| operating_pressure | 3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| disk_loading_method | SPRING |
| flow_control_device | POPPET |
| nominal_thread_size | 1.062 INCHES FIRST END IN |
| valve_operation_method | AUTOMATIC |
| bonnet_attachment_method | INTEGRAL |
| thread_quantity_per_inch | 12 FIRST END |
| NSN | 4820-01-183-2261 |
| FLOW CONTROL DEVICE | POPPET |
| OPERATING PRESSURE | 3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| ADJUSTABLE PRESSURE RANGE | +4.0 TO 15.0 POUNDS PER SQUARE INCH LBS |
| BONNET TYPE | INSIDE SPRING |
| THREAD DIRECTION | RIGHT-HAND FIRST END |
| NOMINAL THREAD SIZE | 1.062 INCHES FIRST END IN |
| SEAT ANGLE | 37.0 DEGREES FIRST END |
| DISK LOADING METHOD | SPRING |
| BONNET ATTACHMENT METHOD | INTEGRAL |
| THREAD CLASS | 3A FIRST END A |
No substitute or cross-reference records for this part.