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 5965-00-194-9428
NSN 5998-00-763-1492
NSN 6145-00-104-7789
NSN 6610-01-055-4147
NSN 7035-00-941-4949
NSN 5935-01-177-9205
NSN 5998-00-902-0203
NSN 6685-00-259-3013
NSN 6150-01-438-0455
NSN 5965-01-113-9061
NSN 6150-01-305-3921
NSN 5975-01-391-7356