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 5925-00-275-7599
NSN 5990-00-146-3534
NSN 5835-01-647-6426
NSN 2925-01-364-7926
NSN 5950-00-115-7168
NSN 5895-01-219-3315
NSN 5999-00-625-8107
NSN 6240-01-435-7973
NSN 5998-01-329-7433
NSN 5895-01-212-8737
NSN 6135-01-292-1071
NSN 6240-00-269-3346