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 5985-01-045-2748
NSN 5998-01-602-7979
NSN 7035-01-024-9511
NSN 5999-00-070-9863
NSN 5945-00-387-3958
NSN 5935-01-394-2234
NSN 5915-01-382-0517
NSN 6685-00-427-7587
NSN 7035-01-512-1826
NSN 2925-01-133-8128
NSN 6685-00-263-2627
NSN 5998-00-888-9887