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 5965-00-953-0072
NSN 6145-01-558-6362
NSN 7035-01-596-3414
NSN 5990-01-395-4194
NSN 6110-01-543-2621
NSN 6610-00-531-6153
NSN 6610-00-764-4015
NSN 5996-01-526-6120
NSN 5996-00-200-5610
NSN 6220-00-770-7658
NSN 5910-01-429-8685
NSN 4140-00-547-5155