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 6620-01-550-4606
NSN 5945-00-286-4668
NSN 5996-01-058-5719
NSN 5975-01-168-6191
NSN 5965-00-228-8336
NSN 5950-00-377-3774
NSN 5996-01-145-0237
NSN 6620-01-456-0529
NSN 5855-00-058-1293
NSN 5920-00-438-4973
NSN 5945-01-507-2943
NSN 6650-00-001-2472