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 6645-01-395-4129
NSN 5910-00-246-9168
NSN 5930-00-283-9000
NSN 6645-00-518-2068
NSN 6130-01-356-7342
NSN 6685-00-996-1331
NSN 6610-01-440-9913
NSN 5945-01-019-6922
NSN 5915-00-159-7349
NSN 5930-00-998-4265
NSN 4140-01-121-7902
NSN 5855-00-055-1694