S90-139: COUPLER,DIRECTIONAL.
The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: WAVEGUIDE, design_type: UNIDIRECTIONAL, overall_width: 5.500 INCHES NOMINAL IN, overall_length: 8.000 INCHES NOMINAL IN, special_features: PEAK/AVG KW/W,300/350; MINIMUM DIRECTIVITY,15 DB; COUPLING ACCURACY,AT CENTER FREQUENCY,1.0 +/- 1.0 DB DB, power_loss_in_decibels: 1.0. This part is cataloged in the U.S.
Government catalog under NSN 5985-01-375-1938, 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.
| unit_type | WAVEGUIDE |
| design_type | UNIDIRECTIONAL |
| overall_width | 5.500 INCHES NOMINAL IN |
| overall_length | 8.000 INCHES NOMINAL IN |
| special_features | PEAK/AVG KW/W,300/350; MINIMUM DIRECTIVITY,15 DB; COUPLING ACCURACY,AT CENTER FREQUENCY,1.0 +/- 1.0 DB DB |
| power_loss_in_decibels | 1.0 |
| radio_frequency_rating | 2.9 GIGAHERTZ MINIMUM AND 3.1 GIGAHERTZ MAXIMUM |
| end_item_identification | AN/MST-T1A |
| NSN | 5985-01-375-1938 |
| POWER LOSS IN DECIBELS | 1.0 |
| DESIGN TYPE | UNIDIRECTIONAL |
| RADIO FREQUENCY RATING | 2.9 GIGAHERTZ MINIMUM AND 3.1 GIGAHERTZ MAXIMUM |
| OVERALL LENGTH | 8.000 INCHES NOMINAL IN |
| OVERALL WIDTH | 5.500 INCHES NOMINAL IN |
| UNIT TYPE | WAVEGUIDE |
| SPECIAL FEATURES | PEAK/AVG KW/W,300/350; MINIMUM DIRECTIVITY,15 DB; COUPLING ACCURACY,AT CENTER FREQUENCY,1.0 +/- 1.0 DB DB |
| END ITEM IDENTIFICATION | AN/MST-T1A |