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 5920-00-615-8897
NSN 5930-01-633-9610
NSN 6145-00-128-8698
NSN 6145-01-161-1541
NSN 5965-01-005-0341
NSN 5915-01-395-2347
NSN 6110-00-218-0967
NSN 5895-01-382-0087
NSN 7035-01-529-8844
NSN 5925-01-619-9290
NSN 5985-01-583-5019
NSN 5950-01-164-0327