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 5990-01-541-7671
NSN 5990-01-334-3268
NSN 6150-00-115-4455
NSN 4140-01-485-0083
NSN 6105-00-808-5829
NSN 5990-00-722-4719
NSN 5965-01-109-2917
NSN 6320-00-731-6134
NSN 5945-00-103-3878
NSN 5855-01-201-4857
NSN 5935-00-472-9962
NSN 5960-01-199-6953