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 6110-01-463-7582
NSN 5855-00-949-6590
NSN 5945-01-590-1148
NSN 5905-01-003-7302
NSN 7035-00-392-5417
NSN 5925-00-110-9266
NSN 5990-01-612-5323
NSN 5990-01-583-2870
NSN 6610-01-180-2184
NSN 6145-01-622-2967
NSN 6685-00-960-1465
NSN 5998-01-568-3950