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 5965-01-238-9287
NSN 6620-01-097-7078
NSN 5965-01-180-7070
NSN 6220-00-148-8698
NSN 5996-01-654-3472
NSN 6105-01-385-3022
NSN 6110-00-285-1895
NSN 5945-01-586-2926
NSN 5925-01-190-5372
NSN 5990-01-364-0813
NSN 6620-01-200-8176
NSN 5930-01-111-3478