MODIFICATION KIT,SONAR EQUIPMENT. Key specifications include material: ALUMINUM ALLOY SEAT, 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, style_designator: STRAIGHT THRU. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-547-0420, 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 SEAT |
| 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 |
| style_designator | STRAIGHT THRU |
| thread_direction | RIGHT-HAND FIRST END |
| mounting_position | HORIZONTAL OR VERTICAL |
| surface_treatment | ANODIZE |
| operating_pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| disk_loading_method | WEIGHT |
| nominal_thread_size | 0.500 INCHES FIRST END IN |
| NSN | 4820-00-547-0420 |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| THREAD CLASS | 3A FIRST END A |
| THREAD QUANTITY PER INCH | 20 FIRST END |
| CONNECTION STYLE | FLARED (TUBE) FIRST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.313 INCHES FIRST END IN |
| SURFACE TREATMENT | ANODIZE |
| OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| NOMINAL THREAD SIZE | 0.500 INCHES FIRST END IN |
| SEAT ANGLE | 37.0 DEGREES FIRST END |
| THREAD SERIES DESIGNATOR | UNF FIRST END |