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 6130-01-084-8526
NSN 5996-01-531-3583
NSN 6150-01-200-1028
NSN 5996-00-337-8711
NSN 5950-00-803-5641
NSN 5915-00-900-3369
NSN 6320-01-454-1965
NSN 5835-01-399-5820
NSN 5999-00-228-1260
NSN 5855-01-382-5169
NSN 5975-01-516-8350
NSN 5975-01-547-7230