Heat treated
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 5985-01-065-1675
NSN 5905-01-430-5406
NSN 5935-00-276-9399
NSN 5915-00-223-5308
NSN 5915-00-054-6637
NSN 5990-01-392-5682
NSN 5950-00-517-0467
NSN 6110-01-047-7730
NSN 6110-00-520-2681
NSN 5920-01-502-5838
NSN 5930-01-606-5707
NSN 4140-00-810-9330