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 5855-01-493-9486
NSN 5999-01-418-1538
NSN 5945-01-632-3655
NSN 6650-01-471-2171
NSN 5935-01-297-0012
NSN 6135-01-423-7502
NSN 6650-01-325-3747
NSN 5895-01-423-0506
NSN 6685-01-414-1904
NSN 6610-01-288-6103
NSN 5905-01-570-9451
NSN 5965-00-448-9923