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 6105-00-168-1287
NSN 5835-01-550-1577
NSN 5930-01-197-8761
NSN 6145-00-177-4731
NSN 5930-01-535-0182
NSN 5985-01-461-7114
NSN 6110-01-080-4861
NSN 6135-01-428-8821
NSN 5855-00-466-2309
NSN 2925-00-794-1363
NSN 4140-01-581-5763
NSN 5950-00-008-6956