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 5945-01-232-6466
NSN 5835-01-264-8782
NSN 6320-00-194-4252
NSN 5975-01-525-8299
NSN 5998-00-257-5106
NSN 5925-00-862-0142
NSN 5930-00-303-6925
NSN 6110-01-622-1756
NSN 6130-00-872-1990
NSN 6685-01-374-4036
NSN 5855-00-281-3843
NSN 6685-01-610-6230