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 5965-01-261-0569
NSN 6130-01-012-3628
NSN 5965-00-284-6674
NSN 6220-01-352-7833
NSN 5910-01-283-4411
NSN 6620-01-537-1326
NSN 6130-01-010-3982
NSN 5999-00-999-9259
NSN 5930-00-687-2288
NSN 6685-00-463-5097
NSN 5999-00-372-5709
NSN 6135-00-505-0679