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 5915-00-124-8100
NSN 6685-00-976-3368
NSN 5915-01-136-4035
NSN 2925-00-258-9786
NSN 6150-00-854-8524
NSN 5915-00-115-2256
NSN 6150-01-126-3527
NSN 5999-01-484-3313
NSN 5998-00-284-3804
NSN 6650-01-650-3335
NSN 5999-01-156-7627
NSN 6320-00-788-5297