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 5935-01-129-5139
NSN 6650-00-382-6080
NSN 6610-01-226-7612
NSN 6320-01-652-3806
NSN 5855-01-042-7990
NSN 5905-01-287-9405
NSN 6240-00-495-1301
NSN 5965-01-040-9814
NSN 6240-00-500-4404
NSN 6240-01-415-2349
NSN 5975-01-546-3700
NSN 6240-00-181-2503