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 6105-01-137-6004
NSN 5985-01-152-2512
NSN 6320-01-495-1244
NSN 5920-00-156-7961
NSN 5925-01-513-1981
NSN 7035-00-981-7216
NSN 5905-01-209-9134
NSN 5965-01-074-1991
NSN 6145-01-160-7658
NSN 5945-00-071-3636
NSN 5935-01-444-1560
NSN 5965-00-578-8931