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 6220-01-493-3251
NSN 5895-01-411-6024
NSN 2925-01-424-0235
NSN 5895-01-534-3743
NSN 6105-00-083-0520
NSN 5925-01-112-8473
NSN 5910-01-392-1396
NSN 2925-00-185-1618
NSN 5925-00-900-5354
NSN 5998-00-299-2740
NSN 5975-01-355-4679
NSN 5835-01-207-4484