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 5945-01-532-4245
NSN 6685-01-524-3201
NSN 5945-01-116-5472
NSN 5930-01-067-9253
NSN 6320-01-449-1014
NSN 6240-01-013-8895
NSN 5990-01-543-6301
NSN 5999-01-441-5764
NSN 5975-00-081-5247
NSN 5960-00-682-9554
NSN 6130-00-032-4859
NSN 5930-01-135-1271