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 5965-01-231-9125
NSN 6320-01-276-4739
NSN 6150-00-323-8226
NSN 5945-00-165-0911
NSN 6135-01-642-3557
NSN 5975-01-295-7702
NSN 5855-01-472-2554
NSN 5910-01-084-9834
NSN 6110-01-225-6303
NSN 5855-00-791-5000
NSN 5895-00-827-2095
NSN 6320-01-072-2073