Heat treated
A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 5935-00-350-8698
NSN 5999-01-424-0955
NSN 7035-01-293-0322
NSN 5998-00-840-1501
NSN 6105-01-571-1847
NSN 6150-01-624-3412
NSN 6145-01-120-5623
NSN 6240-00-539-8075
NSN 6650-01-566-8338
NSN 5950-00-406-7158
NSN 6320-01-250-0290
NSN 5990-00-059-3449