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 5945-00-106-2736
NSN 6320-00-894-1644
NSN 5999-00-927-8454
NSN 5910-01-406-2852
NSN 6685-00-482-8152
NSN 4140-00-008-4912
NSN 6220-01-304-1566
NSN 6685-01-421-5889
NSN 6240-01-289-4536
NSN 5985-01-548-2402
NSN 5855-00-179-8588
NSN 2925-00-436-9837