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 5985-01-387-7926
NSN 5975-01-300-0761
NSN 6105-01-367-5120
NSN 5920-01-437-0333
NSN 5925-01-446-4974
NSN 5915-00-974-3646
NSN 6150-01-395-1655
NSN 5895-00-221-6557
NSN 5998-01-389-8956
NSN 5975-01-563-5999
NSN 6685-01-212-9607
NSN 6110-00-802-6858