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 6110-01-533-6713
NSN 7035-01-400-3666
NSN 5950-01-026-9864
NSN 5996-01-395-5033
NSN 5945-01-057-2646
NSN 6130-01-642-1066
NSN 6685-01-457-3202
NSN 6130-01-179-8480
NSN 5950-00-683-8304
NSN 4140-00-170-5152
NSN 6320-00-931-4855
NSN 5960-00-234-5961