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 5935-00-934-9718
NSN 6685-01-291-6453
NSN 5895-00-983-4105
NSN 6105-00-079-2409
NSN 6650-00-617-9896
NSN 6145-01-642-9922
NSN 5965-00-239-3471
NSN 5975-01-413-2474
NSN 5996-00-866-9866
NSN 6110-00-459-4217
NSN 6145-01-116-8137
NSN 6145-01-222-3172