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 5998-01-612-5988
NSN 5925-00-554-4114
NSN 6145-01-427-3520
NSN 5905-01-348-0329
NSN 6610-01-633-8931
NSN 5975-01-411-6597
NSN 6610-00-123-4314
NSN 6685-00-967-8807
NSN 6685-01-121-2193
NSN 5945-00-133-0499
NSN 6620-00-135-0895
NSN 5998-00-252-5761