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 7035-00-800-0770
NSN 5935-00-279-1778
NSN 7035-01-607-1851
NSN 6135-01-301-8776
NSN 5975-01-029-0147
NSN 5996-00-177-6267
NSN 5855-01-028-8387
NSN 6650-01-203-4746
NSN 6150-00-893-5770
NSN 5910-00-068-5170
NSN 6685-00-901-3745
NSN 5950-01-025-2892