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 5999-01-318-1083
NSN 2925-01-543-5571
NSN 6130-01-542-9026
NSN 2925-01-593-1700
NSN 5999-01-227-2526
NSN 5915-01-254-2128
NSN 6150-01-224-7183
NSN 5990-00-411-1676
NSN 5985-00-518-1748
NSN 6650-01-460-9111
NSN 6645-00-542-1206
NSN 6110-00-358-1870