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 5855-01-437-6161
NSN 5945-01-270-6128
NSN 5996-00-278-5193
NSN 5996-01-206-7130
NSN 6105-01-323-7679
NSN 6240-00-299-3034
NSN 6610-01-563-1809
NSN 5925-01-431-8886
NSN 2925-01-097-0903
NSN 5905-01-158-5549
NSN 6650-01-008-3477
NSN 6130-01-511-0584