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 5855-00-688-9954
NSN 5950-00-239-7649
NSN 6685-01-586-0870
NSN 2925-01-264-1699
NSN 5945-00-739-8284
NSN 5935-01-476-9973
NSN 5960-01-438-0245
NSN 6135-00-505-0679
NSN 6130-00-419-1120
NSN 6320-00-908-6841
NSN 6105-01-333-7403
NSN 5905-01-089-7055