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 5985-00-277-7371
NSN 5905-01-092-9681
NSN 5990-01-334-6416
NSN 6105-01-442-3081
NSN 5915-01-315-9912
NSN 5996-01-604-9653
NSN 5920-00-674-5882
NSN 5999-01-364-1237
NSN 5950-00-863-3977
NSN 5920-01-529-6525
NSN 6320-00-310-1080
NSN 5935-01-418-7200