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 5835-00-172-8292
NSN 5996-00-076-2267
NSN 5985-01-639-8150
NSN 6650-01-411-3904
NSN 6105-00-772-0730
NSN 5998-01-085-6020
NSN 5930-00-296-4981
NSN 6135-01-196-7399
NSN 5915-01-514-8240
NSN 6110-00-713-5594
NSN 6130-01-102-1990
NSN 6145-00-663-6133