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 6150-01-005-8813
NSN 6610-01-527-2395
NSN 2925-01-380-0869
NSN 6220-00-707-5044
NSN 6135-01-022-5427
NSN 7035-00-511-8617
NSN 6240-01-250-3574
NSN 7035-01-643-9932
NSN 5915-00-067-7464
NSN 5930-00-916-9206
NSN 5935-01-072-2293
NSN 5915-01-633-9845