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 7035-01-215-2449
NSN 7035-01-085-5955
NSN 5925-01-310-8456
NSN 5855-00-763-2155
NSN 5985-01-403-2835
NSN 6320-00-937-5625
NSN 5905-01-526-9962
NSN 6150-01-415-7561
NSN 6110-01-069-2966
NSN 6645-01-622-1830
NSN 6220-01-578-5868
NSN 6685-01-391-6790