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 5945-01-336-8559
NSN 5985-00-307-0966
NSN 5855-01-417-3250
NSN 5930-00-531-6219
NSN 5998-00-557-1671
NSN 6240-01-131-8078
NSN 5910-01-173-5061
NSN 5855-01-654-0761
NSN 5998-01-207-6369
NSN 5999-01-173-5502
NSN 5960-01-444-2205
NSN 5910-01-403-2812