Synthetic sapphire or ruby, olivehole 0.500 in. Min and 0.502 in. Max id; 0.119 in. Min and 0.120 in. Max od; 0.030 in. Min and 0.036 in. Max lg
An item generally round in shape and usually having a centrally located hole. It has at least one flat bearing surface. It is made of precious or semi-precious gem (ruby, sapphire and the like), natural or synthetic. It is intended for use in precision instruments, meters, timing devices, clocks, and the like.
Classification: Clock or watch jewels
NSN 5855-01-446-1936
NSN 6145-01-258-4738
NSN 5996-01-320-1422
NSN 5910-00-670-7526
NSN 6610-01-209-8991
NSN 5975-01-445-4854
NSN 5905-01-146-4352
NSN 5835-00-682-5177
NSN 6150-01-400-4211
NSN 5945-01-091-3437
NSN 6620-00-103-4764
NSN 6610-00-155-1334