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 5990-01-507-7495
NSN 6320-01-268-3072
NSN 7035-01-173-0529
NSN 6620-01-443-3526
NSN 6105-01-431-6723
NSN 5855-01-409-1792
NSN 5998-01-028-4629
NSN 6105-00-082-1198
NSN 6145-00-201-1330
NSN 5910-01-628-3256
NSN 6240-01-148-0379
NSN 6685-00-899-1861