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 5996-01-437-8824
NSN 6240-01-413-7612
NSN 5920-00-467-6805
NSN 6130-01-423-1383
NSN 6105-00-978-7882
NSN 5895-01-465-8798
NSN 5999-01-089-5429
NSN 6620-01-605-1465
NSN 6110-00-773-0915
NSN 5925-01-384-6147
NSN 5925-00-734-1441
NSN 5999-01-104-3079