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 5945-01-502-6921
NSN 6110-00-604-7753
NSN 5910-01-162-0029
NSN 5905-01-269-8395
NSN 5996-00-799-3549
NSN 6320-01-550-3420
NSN 6150-01-139-4968
NSN 6620-00-827-1611
NSN 5975-01-418-4003
NSN 5895-01-009-8119
NSN 6320-01-556-2011
NSN 6240-01-523-1541