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 6685-00-088-4539
NSN 6145-01-577-4609
NSN 6620-01-446-7868
NSN 5835-01-580-0446
NSN 5965-01-627-2606
NSN 5855-01-535-4420
NSN 5935-00-067-5901
NSN 6145-00-860-9203
NSN 6685-01-432-2266
NSN 5965-01-580-4774
NSN 5920-01-432-2428
NSN 5999-00-015-7499