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 6685-01-378-6706
NSN 6135-00-334-4500
NSN 5925-01-516-7002
NSN 6110-00-375-6279
NSN 5855-01-344-3706
NSN 5990-01-131-9055
NSN 6645-01-012-7670
NSN 5996-01-126-7238
NSN 5910-00-057-0348
NSN 5855-01-406-4821
NSN 5945-01-205-5094
NSN 5905-01-351-7922