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 6110-01-026-0312
NSN 5935-01-132-9030
NSN 6105-01-384-4309
NSN 6135-01-582-5987
NSN 6685-01-252-8887
NSN 6110-01-441-7727
NSN 5975-00-817-3728
NSN 6620-01-058-6308
NSN 5910-01-604-8999
NSN 2925-00-149-0760
NSN 6610-01-149-9749
NSN 2925-01-190-9352