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 6650-01-336-2866
NSN 5950-01-278-4352
NSN 6150-01-090-0982
NSN 6240-01-381-6815
NSN 5998-01-363-6995
NSN 5950-01-272-3514
NSN 5935-01-467-2334
NSN 5905-01-222-5874
NSN 5990-01-050-7535
NSN 5985-01-009-3678
NSN 5999-01-334-7019
NSN 6150-01-018-9197