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 6240-01-461-9635
NSN 6320-01-039-5891
NSN 6240-01-546-7386
NSN 5895-01-393-0585
NSN 6240-00-578-6763
NSN 6320-00-937-5625
NSN 6320-00-070-4544
NSN 5835-00-778-5761
NSN 7035-00-361-5975
NSN 6145-01-483-1292
NSN 5945-00-513-9716
NSN 5925-00-401-2739