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 5975-00-959-6187
NSN 5930-00-334-8975
NSN 5930-01-507-3366
NSN 6130-00-266-7496
NSN 6685-01-146-0166
NSN 5975-01-593-1224
NSN 5985-01-337-9981
NSN 6650-01-260-8690
NSN 7035-00-153-3826
NSN 6135-01-369-9792
NSN 5998-01-208-9608
NSN 6685-01-325-7021