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 6135-00-152-8729
NSN 5975-01-530-4972
NSN 6320-01-098-2503
NSN 6135-01-584-0941
NSN 6620-01-428-3930
NSN 6105-00-527-2193
NSN 5999-01-268-8662
NSN 5975-00-541-8531
NSN 6620-00-932-4306
NSN 5935-01-604-2806
NSN 5990-00-542-3881
NSN 6645-01-421-6909