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 6145-00-526-3056
NSN 5855-01-569-7816
NSN 6220-00-299-7749
NSN 6110-01-086-4204
NSN 7035-01-202-9250
NSN 6105-00-472-3808
NSN 6135-01-199-1185
NSN 5998-01-599-2180
NSN 7035-01-206-0337
NSN 6145-01-141-6809
NSN 6320-01-371-1603
NSN 6645-01-633-1852