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, special_features: THIRD END 1/4 ANPT, thread_direction: RIGHT-HAND FIRST END. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-528-2359, 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 |
| special_features | THIRD END 1/4 ANPT |
| thread_direction | RIGHT-HAND FIRST END |
| mounting_position | HORIZONTAL OR VERTICAL |
| operating_pressure | 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| flow_control_device | CONE |
| nominal_thread_size | 0.500 INCHES FIRST END IN |
| media_for_which_designed | OXYGEN, GASEOUS SINGLE RESPONSE |
| thread_quantity_per_inch | 20 FIRST END |
| NSN | 4820-00-528-2359 |
| THREAD QUANTITY PER INCH | 20 FIRST END |
| THREAD CLASS | 3A FIRST END A |
| CONNECTION STYLE | FLARED (TUBE) FIRST END |
| SEAT ANGLE | 37.0 DEGREES FIRST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.312 INCHES FIRST END IN |
| TEST DATA DOCUMENT | 81349-MIL-V-7908 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| NONDEFINITIVE SPEC/STD DATA | C STYLE |
| MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS SINGLE RESPONSE |
| NOMINAL THREAD SIZE | 0.500 INCHES FIRST END IN |
| OPERATING PRESSURE | 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |