The B339 is a the manufacturer industrial component. Key specifications include tube_type: TRIODE, body_width: 4.280 INCHES MAXIMUM IN, body_height: 5.380 INCHES MAXIMUM IN, body_length: 5.000 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-617-8559, 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.
| tube_type | TRIODE |
| body_width | 4.280 INCHES MAXIMUM IN |
| body_height | 5.380 INCHES MAXIMUM IN |
| body_length | 5.000 INCHES MAXIMUM IN |
| inclosure_type | HERMETICALLY SEALED |
| mounting_method | THREADED STUD(S) SINGLE GROUP |
| frequency_rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| special_features | INAVY) TRACKBALL,DATA ENTRY |
| nominal_thread_size | 0.250 INCHES SINGLE GROUP IN |
| reliability_indicator | NOT ESTABLISHED |
| maximum_operating_temp | 125.0 CELSIUS DEGC |
| end_item_identification | AN/SQQ-89A(V)15 UNIT 540, DUAL DISPLAY STATION; OJ-739, OA-9491/2 A |
| NSN | 5960-00-617-8559 |
| NONDEFINITIVE SPEC/STD DATA | 12AX7 TYPE |
| TUBE TYPE | TRIODE |