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 6105-01-199-3891
NSN 5950-00-321-6092
NSN 5990-00-734-7285
NSN 5895-01-029-3791
NSN 5985-01-019-1293
NSN 5999-00-607-0405
NSN 5895-00-109-6181
NSN 6220-01-364-5002
NSN 6645-01-603-9331
NSN 6320-00-270-8222
NSN 6135-00-583-3966
NSN 5950-01-502-5342