493-12B2-20: VALVE,CHECK.
The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: RUBBER SEAT, thread_class: 3B ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, special_features: VALVE CRACKING PRESSURE 20 PSI, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the U.S.
Government catalog under NSN 4820-00-006-3987, 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 | RUBBER SEAT |
| thread_class | 3B ALL ENDS |
| connection_style | GASKET SEAL (BOSS) ALL ENDS |
| special_features | VALVE CRACKING PRESSURE 20 PSI |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND ALL ENDS |
| operating_pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| disk_loading_method | SPRING |
| flow_control_device | POPPET |
| nominal_thread_size | 1.062 INCHES ALL ENDS IN |
| maximum_operating_temp | 225.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| valve_operation_method | AUTOMATIC |
| NSN | 4820-00-006-3987 |
| FLOW CONTROL DEVICE | POPPET |
| CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS |
| STYLE DESIGNATOR | STRAIGHT THRU |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-1149,TYPE 2 CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.750 INCHES ALL ENDS IN |
| OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| NOMINAL THREAD SIZE | 1.062 INCHES ALL ENDS IN |
| MAXIMUM OPERATING TEMP | 225.0 FAHRENHEIT SINGLE RESPONSE DEGF |
No substitute or cross-reference records for this part.