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 5985-01-327-3601
NSN 6240-01-592-4068
NSN 6135-01-177-3552
NSN 5835-01-362-0305
NSN 6130-00-553-8758
NSN 6685-00-764-7131
NSN 5945-01-430-4992
NSN 5835-01-166-7420
NSN 6620-00-767-4377
NSN 5915-01-555-8081
NSN 6610-01-593-0135
NSN 5996-01-386-0063