This a replacement O.S. Engines Propeller Nut, and ...
is intended for use with O.S. engines that have a 1/4" crank thread. This Part Is Used With The Following O.S. Engines 50 SX 46 VX 46 FX 46 LA 40 FX 40 LA FS-40 32 SX ...
Piston Pin Retainers, and are intended for use with the O.S. O.S. 91HZ-PS, and 91HZ F3C Helicopter Engines, and the O.S. 75AX, and FS-110-a Engines. This Part Is Compatible With The Following ...