The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS ALL ENDS, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS, style_designator: STRAIGHT THRU. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-203-4521, 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 |
| seat_angle | 37.0 DEGREES ALL ENDS |
| thread_class | 3A ALL ENDS A |
| connection_type | THREADED EXTERNAL BOSS ALL ENDS |
| connection_style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND ALL ENDS |
| mounting_position | HORIZONTAL |
| surface_treatment | ANODIZE |
| operating_pressure | 192.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| disk_loading_method | SPRING |
| flow_control_device | POPPET |
| NSN | 4820-00-203-4521 |
| SURFACE TREATMENT | ANODIZE |
| THREAD QUANTITY PER INCH | 12 ALL ENDS |
| CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| MAXIMUM OPERATING TEMP | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| VALVE OPERATION METHOD | AUTOMATIC |
| MOUNTING POSITION | HORIZONTAL |
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| THREAD SERIES DESIGNATOR | UN ALL ENDS |
| SURFACE TREATMENT | ANODIZE |