PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include bonnet_type: INSIDE SCREW, connection_type: UNTHREADED INTERNAL PIPE FIRST END, offset_distance: 0.875 INCHES IN, connection_style: PLAIN (TUBE) FIRST END, style_designator: STRAIGHT THRU W/OFFSET, features_provided: VALVE STEM LOCK SHIELD AND BONNET PACKING. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-639-9811, 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.
| bonnet_type | INSIDE SCREW |
| connection_type | UNTHREADED INTERNAL PIPE FIRST END |
| offset_distance | 0.875 INCHES IN |
| connection_style | PLAIN (TUBE) FIRST END |
| style_designator | STRAIGHT THRU W/OFFSET |
| features_provided | VALVE STEM LOCK SHIELD AND BONNET PACKING |
| operating_pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| flow_control_device | NEEDLE |
| valve_operation_method | MANUAL |
| bonnet_attachment_method | THREADED |
| media_for_which_designed | WATER, SALT SINGLE RESPONSE |
| criticality_code_justification | ZZZY |
| NSN | 4820-00-639-9811 |
| OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| MEDIA FOR WHICH DESIGNED | WATER, SALT SINGLE RESPONSE |
| STYLE DESIGNATOR | STRAIGHT THRU W/OFFSET |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE FIRST END |
| BONNET ATTACHMENT METHOD | THREADED |
| BONNET TYPE | INSIDE SCREW |
| CONNECTION STYLE | PLAIN (TUBE) FIRST END |
| FLOW CONTROL DEVICE | NEEDLE |