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 7035-01-307-5366
NSN 6610-01-197-8302
NSN 6610-01-453-4269
NSN 5960-01-222-0074
NSN 6150-01-287-6438
NSN 5835-01-370-4292
NSN 6240-01-653-9921
NSN 5835-00-140-8646
NSN 5895-01-114-8515
NSN 5935-00-171-3003
NSN 5925-00-081-7593
NSN 4140-01-359-2895