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 6135-01-142-2417
NSN 5920-01-155-1128
NSN 5999-01-387-3283
NSN 5999-01-533-8922
NSN 5999-01-502-8775
NSN 5945-01-601-3648
NSN 6645-01-229-7749
NSN 5905-00-198-6284
NSN 6220-01-640-9546
NSN 5920-01-233-4244
NSN 6650-01-344-6550
NSN 6110-01-087-9071