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 5935-01-305-2960
NSN 5960-01-240-3266
NSN 6610-00-277-7206
NSN 5990-01-438-8228
NSN 6220-01-554-5913
NSN 5960-01-560-8461
NSN 5910-01-251-9148
NSN 5990-00-756-2555
NSN 6105-01-529-3579
NSN 5996-01-242-9710
NSN 6130-00-134-7437
NSN 7035-01-543-0044