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 6220-01-572-2681
NSN 6320-00-194-4252
NSN 5835-00-411-6344
NSN 5930-01-254-7050
NSN 5925-00-068-0740
NSN 7035-01-440-1862
NSN 2925-00-315-8442
NSN 6130-01-473-8771
NSN 6135-00-862-5736
NSN 6645-00-900-5830
NSN 5935-01-227-4516
NSN 5895-01-534-6250