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 5905-00-666-3008
NSN 5996-00-067-8864
NSN 5985-01-218-4129
NSN 2925-00-814-8745
NSN 2925-01-583-0736
NSN 6650-01-373-1580
NSN 6685-00-970-9110
NSN 5855-01-616-0096
NSN 5960-01-653-9441
NSN 6150-01-173-1041
NSN 5905-00-946-1156
NSN 6110-00-567-6439