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 7035-01-307-5366
NSN 5965-01-501-1329
NSN 5985-01-252-8008
NSN 5975-00-317-5689
NSN 5910-00-195-7611
NSN 5895-00-004-4451
NSN 5960-01-013-9346
NSN
NSN 5990-01-395-4194
NSN 6105-01-364-8811
NSN 5935-00-471-5741
NSN 5910-01-145-4297