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 6150-00-964-3323
NSN 5915-01-334-7440
NSN 6645-01-399-0661
NSN 6110-01-364-7168
NSN 5905-01-040-3333
NSN 6135-00-269-5843
NSN 2925-01-589-9136
NSN 6110-01-501-5131
NSN 6320-00-937-5625
NSN 5855-01-603-6141
NSN 6220-01-534-6695
NSN 6645-00-920-1412