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 5930-01-285-6727
NSN 6610-00-300-4774
NSN 6610-00-034-3709
NSN 5935-01-553-1958
NSN 5999-01-393-8790
NSN 5895-01-094-7255
NSN 6645-00-759-3962
NSN 5998-01-597-3470
NSN 5965-00-244-8428
NSN 6685-00-482-8431
NSN 5996-01-342-8293
NSN 6650-00-929-8113