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 5935-01-443-2429
NSN 4140-00-800-3087
NSN 6320-01-280-5091
NSN 6685-01-157-5540
NSN 5965-01-286-4341
NSN 5990-00-412-4411
NSN 5905-00-494-9914
NSN 6220-01-155-9292
NSN 5998-01-363-2045
NSN 6145-01-417-6482
NSN 6110-01-076-9022
NSN 5945-00-189-0650