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 6220-01-106-3215
NSN 5935-00-941-4998
NSN 6320-00-405-2348
NSN 6145-00-905-7255
NSN 5920-01-487-1440
NSN 5945-01-512-1533
NSN 5835-01-326-8953
NSN 6240-01-381-1072
NSN 5990-00-847-3806
NSN 5965-01-093-0642
NSN 6320-00-186-6452
NSN 6130-00-726-9628