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 5950-01-238-4985
NSN 6220-00-857-2958
NSN 5945-01-212-2691
NSN 5835-01-462-5983
NSN 5998-01-403-2586
NSN 5930-00-160-9726
NSN 5920-01-222-9456
NSN 5910-00-476-4749
NSN 5975-01-149-4641
NSN 6620-01-360-4725
NSN 5905-01-420-1012
NSN 7035-01-101-9224