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 5835-01-515-6537
NSN 5945-01-421-1808
NSN 6650-00-005-8572
NSN 5925-00-459-0827
NSN 6620-01-616-8001
NSN 6145-01-124-2124
NSN 5950-01-451-8348
NSN 6130-00-142-9532
NSN 6130-00-960-9158
NSN 6220-01-076-4383
NSN 5998-01-327-2245
NSN 6685-01-128-3052