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 6320-01-039-5891
NSN 2925-01-464-3093
NSN 5835-01-321-7895
NSN 5990-00-067-6791
NSN 6685-00-772-0468
NSN 6650-00-900-0049
NSN 2925-01-480-8273
NSN 5998-01-287-3094
NSN 5975-01-349-9158
NSN 6685-00-867-6670
NSN 6105-01-457-1363
NSN 6145-01-195-3802