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 6685-01-346-7677
NSN 6110-01-580-3715
NSN 5960-00-156-5603
NSN 5998-00-101-0654
NSN 5910-01-399-0255
NSN 5965-01-603-7301
NSN 5910-01-083-4103
NSN 5950-00-661-2612
NSN 6645-00-434-8793
NSN 6105-00-717-6668
NSN 6240-00-623-4784
NSN 6650-01-056-7508