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 5920-00-265-6222
NSN 5990-00-916-3975
NSN 5985-00-375-1837
NSN 6110-00-925-0480
NSN 7035-01-400-3666
NSN 5905-01-420-2328
NSN 5960-00-907-4194
NSN 5945-01-332-1043
NSN 6320-01-352-5653
NSN 5950-01-310-8486
NSN 5925-01-260-7225
NSN 6220-01-657-4127