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 5999-00-938-5460
NSN 6620-01-425-2750
NSN 6645-01-449-7567
NSN 5999-01-272-9684
NSN 5990-01-381-9526
NSN 6150-01-170-6968
NSN 6105-01-091-5665
NSN 5965-01-354-9834
NSN 6240-01-550-6813
NSN 5960-01-624-1170
NSN 6685-01-188-4915
NSN 5905-01-177-0524