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 6220-01-313-0094
NSN 5960-01-252-4153
NSN 5996-01-367-2930
NSN 5930-01-569-4623
NSN 5999-00-502-3288
NSN 2925-01-444-2061
NSN 7035-01-495-1090
NSN 5915-01-243-9192
NSN 5915-01-089-6694
NSN 5996-01-128-1786
NSN 5905-00-161-0633
NSN 6620-00-500-0041