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 6220-00-269-4556
NSN 5999-01-532-4016
NSN 6650-01-629-2575
NSN 5965-01-267-8536
NSN 5960-01-546-2379
NSN 6620-00-292-7000
NSN 5905-01-103-5707
NSN 6220-01-351-1555
NSN 5950-01-495-8501
NSN 5925-01-535-5625
NSN 6620-01-293-6241
NSN 6685-01-210-8175