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 5930-00-339-0346
NSN 5905-01-416-8633
NSN 5895-01-540-8474
NSN 5915-01-565-1807
NSN 5985-01-306-8326
NSN 5855-01-180-5369
NSN 6610-01-381-0652
NSN 5920-01-434-4037
NSN 5999-01-120-8972
NSN 5999-00-166-0701
NSN 5990-00-336-2054
NSN 5935-01-159-7800