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 6320-00-646-3311
NSN 5990-00-067-6791
NSN 5965-00-698-0433
NSN 5920-00-579-8434
NSN 6145-00-955-1993
NSN 6105-01-510-8848
NSN 6220-01-481-3827
NSN 6685-01-408-7758
NSN 5985-00-100-0140
NSN 6240-01-025-1208
NSN 6110-01-317-3780
NSN 5985-01-526-2228