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 6610-01-241-9120
NSN 6105-00-887-3793
NSN 6620-01-628-2620
NSN 6130-01-118-8991
NSN 6110-00-832-5769
NSN 6320-01-521-1764
NSN 6320-01-320-3305
NSN 5835-00-289-9080
NSN 6650-01-625-6961
NSN 6110-00-933-9588
NSN 5996-01-499-9749
NSN 6135-01-329-7994