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 5996-01-504-2065
NSN 6145-01-437-7645
NSN 5975-01-222-2612
NSN 6110-01-411-8830
NSN 5945-01-460-1374
NSN 6650-01-175-0841
NSN 5975-00-583-8625
NSN 6150-01-497-7845
NSN 5996-01-088-7074
NSN 5999-00-225-0635
NSN 2925-01-620-6812
NSN 6150-01-077-2420