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 5996-01-351-6485
NSN 2925-01-553-5132
NSN 6620-01-432-7032
NSN 2925-01-340-5504
NSN 6610-01-099-9710
NSN 6145-01-597-2059
NSN 6145-00-404-7927
NSN 5945-01-159-2593
NSN 5930-01-485-7315
NSN 5935-00-298-2004
NSN 5945-01-307-7919
NSN 5930-01-008-7921