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 5915-00-655-1804
NSN 5975-01-371-3051
NSN 5910-00-408-8859
NSN 5910-01-303-7088
NSN 5935-01-598-5965
NSN 6240-00-929-5851
NSN 2925-00-483-9357
NSN 6105-01-492-5723
NSN 6110-00-939-7065
NSN 6130-01-387-5996
NSN 5920-00-224-1634
NSN 6620-01-419-3524