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 4140-00-518-2744
NSN 5965-01-005-0341
NSN 5975-00-545-3548
NSN 5975-00-099-0045
NSN 5835-01-394-3812
NSN 6150-01-410-8915
NSN 6650-01-533-7109
NSN 5905-01-440-9309
NSN 5835-00-341-5441
NSN 5895-00-146-1809
NSN 6110-01-069-2485
NSN 5935-00-877-3694