Part Number: 1544391-1 (Tyco) Part Number: 1544392-1 (Cap) Part Number: 1544393-1 (Spring) Part Number: 1544394-1 (No description) Part Number: 1544396-1 (Rod) Part Number: 1-544396-2 (Our stock) Part Number: 15443V (Bomar) Part Number: 1544-4 (Mating ring w/8130) Part Number: 154440 (Transponder) Part Number: 1544400000 (Weidmuller) Part Number: 1544400-1 (Component) Part Number: 1544400-3 (Unit, upper rudder pwr ctl) Part Number: 15-44-4007 (Ne) Part Number: 1544401 (Fan assy)