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 6220-01-519-6702
NSN 5915-01-331-1075
NSN 5930-01-438-8470
NSN 5985-01-308-8647
NSN 5895-01-578-8343
NSN 5925-00-405-9343
NSN 5925-01-212-5707
NSN 5935-00-269-5516
NSN 5990-01-442-3520
NSN 6220-01-063-9543
NSN 5905-01-613-5155
NSN 7035-00-541-8516