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 5915-01-502-4285
NSN 5960-01-166-7480
NSN 5975-00-174-3560
NSN 5990-00-102-9600
NSN 6610-01-250-2811
NSN 5930-00-161-3991
NSN 5945-00-035-9251
NSN 7035-01-509-1959
NSN 6110-01-168-4612
NSN 5945-00-142-8919
NSN 5975-00-244-0706
NSN 5999-01-471-8198