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 6110-00-824-5586
NSN 6320-00-139-1090
NSN 5990-01-221-6361
NSN 5905-00-562-0549
NSN 5925-01-331-5372
NSN 5920-00-495-6663
NSN 6685-00-616-3878
NSN 5910-01-272-4408
NSN 6110-01-468-5955
NSN 6110-00-123-1793
NSN 6220-01-226-6443
NSN 5855-00-688-9954