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 6110-00-740-5750
NSN 5975-01-575-5051
NSN 5930-00-068-4309
NSN 5945-00-269-5375
NSN 6610-00-984-6528
NSN 6610-01-502-7106
NSN 7035-01-445-3563
NSN 6620-01-225-4996
NSN 6685-01-156-1110
NSN 6320-01-487-0336
NSN 6135-00-351-8606
NSN 5950-01-392-1895