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 5935-01-576-0395
NSN 5960-01-462-1864
NSN 5910-00-135-7119
NSN 5935-01-462-2770
NSN 6150-00-399-1431
NSN 7035-01-546-6386
NSN 5996-00-587-7311
NSN 5930-00-203-5853
NSN 5925-01-237-5229
NSN 6620-01-650-5226
NSN 5925-00-949-2966
NSN 6610-01-451-7081