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 6220-01-524-9142
NSN 2925-00-328-2073
NSN 6105-01-229-6561
NSN 2925-00-008-5485
NSN 5990-01-411-8548
NSN 5935-00-117-6345
NSN 6645-01-075-7722
NSN 6105-01-494-3236
NSN 5915-01-012-7052
NSN 5835-01-332-2867
NSN 6150-01-007-7136
NSN 6685-01-059-2745