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 6105-01-575-0069
NSN 5999-00-757-4344
NSN 2925-01-645-2948
NSN 5945-00-013-0397
NSN 5985-00-622-9419
NSN 5935-00-003-0375
NSN 5925-01-125-4871
NSN 6220-01-050-8122
NSN 5895-01-435-1839
NSN 5905-00-866-8522
NSN 5985-01-191-7050
NSN 6685-01-148-5834