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 5965-01-588-3998
NSN 5998-01-133-2154
NSN 5950-01-569-0504
NSN 5999-01-260-2458
NSN 5895-00-818-2453
NSN 5998-01-463-3593
NSN 6135-00-377-9165
NSN 5996-01-047-7149
NSN 6610-00-946-6146
NSN 2925-01-208-3639
NSN 6620-01-122-0238
NSN 5999-01-381-9254