Provides support for antenna reflector at-284/gpn, antenna horn as-513/gpn and servo actuator motor western gear p/n 1533e5-e6; olive drab finish; rotates at speed of 20 rpm when coupled to antenna drive tg-11/gpn, pivotally supports antenna reflector on projecting and shafts at two horiz points and provides further support via tilt actuator at base of tee; tee-shaped with web base plate; mounts to upper flange of antenna drive with 8 mach screws 0.625 in.-11 x 1.250 in. L; t.O. 31p5-2cpn4-4, fig. 3-107 and fig. 3a-152