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 5950-01-575-8309
NSN 6685-01-189-9937
NSN 5998-01-152-6432
NSN 5945-01-339-0972
NSN 5915-01-364-7917
NSN 6610-01-322-4331
NSN 5895-00-534-3163
NSN 6130-00-902-2570
NSN 5935-01-437-5052
NSN 6130-01-157-3155
NSN 5910-01-311-1277
NSN 5985-01-143-5910