N221481-1: COUPLER,DIRECTIONAL.
The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: WAVEGUIDE, design_type: BIDIRECTIONAL, usage_design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING, overall_width: 17.030 INCHES NOMINAL IN, overall_height: 9.250 INCHES NOMINAL IN, overall_length: 18.000 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5985-00-646-5300, 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 | BIDIRECTIONAL |
| usage_design | MAIN LINE AND SECONDARY LINE TERMINAL FITTING |
| overall_width | 17.030 INCHES NOMINAL IN |
| overall_height | 9.250 INCHES NOMINAL IN |
| overall_length | 18.000 INCHES NOMINAL IN |
| special_features | CU-516/FPS-20; FUNCTION: DIRECTIONAL COUPLER; REFERENCE DATA: FIG 388-198, T.O. 31P6-2FPS20-4AD, SUPPLEMENTAL TECHNICAL MANUAL, ILLUSTRATED PARTS BREAKDOWN, RADAR SETS AN/FPS-67A, PG 2-16 A |
| identifying_number | TERMINAL FITTING TYPE NO. UG-21B/U; TYPE NO. UG-418A/U A |
| power_loss_in_decibels | 40.0 |
| radio_frequency_rating | 1.25 GIGAHERTZ MINIMUM AND 1.35 GIGAHERTZ MAXIMUM |
| end_item_identification | AN/FPS-20 |
| terminal_fitting_controlling_agency | JCENS |
| NSN | 5985-00-646-5300 |
| OVERALL HEIGHT | 9.250 INCHES NOMINAL IN |
| TERMINAL FITTING CONTROLLING AGENCY | JCENS |
| USAGE DESIGN | MAIN LINE AND SECONDARY LINE TERMINAL FITTING |
| POWER LOSS IN DECIBELS | 40.0 |
| IDENTIFYING NUMBER | TERMINAL FITTING TYPE NO. UG-21B/U; TYPE NO. UG-418A/U A |
| DESIGN TYPE | BIDIRECTIONAL |
| RADIO FREQUENCY RATING | 1.25 GIGAHERTZ MINIMUM AND 1.35 GIGAHERTZ MAXIMUM |
| OVERALL LENGTH | 18.000 INCHES NOMINAL IN |
| OVERALL WIDTH | 17.030 INCHES NOMINAL IN |
| UNIT TYPE | WAVEGUIDE |