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 5945-01-157-6636
NSN 6105-01-477-7491
NSN 5930-01-441-1932
NSN 5990-01-309-5840
NSN 6650-01-633-9147
NSN 5999-00-211-3611
NSN 6240-01-361-9167
NSN 5990-01-440-7135
NSN 5915-01-217-9849
NSN 6130-01-141-2813
NSN 6105-01-441-4348
NSN 5975-01-422-0784