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 5945-01-607-4384
NSN 5905-01-459-1154
NSN 5945-01-481-3564
NSN 5835-01-242-9806
NSN 6135-00-945-0015
NSN 5895-01-106-3414
NSN 5996-01-188-7548
NSN 5895-00-061-7192
NSN 5960-00-361-8409
NSN 6650-01-363-9608
NSN 6620-01-253-0374
NSN 6110-01-545-5770