SHIELD,HEAT,AIRCRAFT GAS TURBINE. Key specifications include material: STEEL OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2840-00-816-8637, 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 OVERALL |
| seat_angle | 37.0 DEGREES FIRST END |
| thread_class | 2A SECOND END A |
| connection_type | THREADED EXTERNAL TUBE FIRST END |
| connection_style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| operating_pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| nominal_thread_size | 0.438 INCHES FIRST END IN |
| maximum_operating_temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| nominal_overall_length | 1.375 INCHES IN |
| thread_series_designator | UNF FIRST END |
| nondefinitive_spec/std_data | 3B FIGURE |
| specification/standard_data | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| NSN | 2840-00-816-8637 |
| CRITICALITY CODE JUSTIFICATION | AGAV |
| END ITEM IDENTIFICATION | ACFT ENG TF-33 |
| SPECIAL FEATURES | FOR COMPRESSOR REAR BEARING |