The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: TRANSMISSION LINE, design_type: BIDIRECTIONAL, usage_design: MAIN LINE TERMINAL FITTING, overall_depth: 0.880 INCHES NOMINAL IN, overall_width: 2.120 INCHES NOMINAL IN, overall_length: 10.910 INCHES NOMINAL IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-682-8826, 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 | TRANSMISSION LINE |
| design_type | BIDIRECTIONAL |
| usage_design | MAIN LINE TERMINAL FITTING |
| overall_depth | 0.880 INCHES NOMINAL IN |
| overall_width | 2.120 INCHES NOMINAL IN |
| overall_length | 10.910 INCHES NOMINAL IN |
| precious_material | RHODIUM AND SILVER |
| identifying_number | TERMINAL FITTING TYPE UG-21B/U |
| fsc_application_data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| power_loss_in_decibels | 0.15 |
| radio_frequency_rating | 225.0 MEGAHERTZ MINIMUM AND 460.0 MEGAHERTZ MAXIMUM |
| unpackaged_unit_weight | 2.000 POUNDS NOMINAL LBS |
| NSN | 5985-00-682-8826 |
| OVERALL LENGTH | 10.910 INCHES NOMINAL IN |
| OVERALL DEPTH | 0.880 INCHES NOMINAL IN |
| PRECIOUS MATERIAL AND LOCATION | INTERNAL CENTER CONDUCTOR SURFACES RHODIUM AND INTERNAL CENTER CONDUCTOR SURFACES SILVER |
| PRECIOUS MATERIAL | RHODIUM AND SILVER |
| DESIGN TYPE | BIDIRECTIONAL |
| TERMINAL FITTING CONTROLLING AGENCY | AN |
| IDENTIFYING NUMBER | TERMINAL FITTING TYPE UG-21B/U |
| UNIT TYPE | TRANSMISSION LINE |
| USAGE DESIGN | MAIN LINE TERMINAL FITTING |
| POWER LOSS IN DECIBELS | 0.15 |