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 5998-00-010-7995
NSN 5950-00-336-5830
NSN 6650-01-367-5172
NSN 6320-01-302-5157
NSN 6135-01-394-4160
NSN 5920-01-629-3268
NSN 6610-01-628-6044
NSN 5835-01-435-4139
NSN 5945-01-235-4093
NSN 6240-01-063-7685
NSN 6130-01-513-4916
NSN 6645-01-659-1583