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 5945-00-171-4484
NSN 5930-01-025-1959
NSN 5945-01-195-5875
NSN 6685-00-820-2104
NSN 5915-01-627-4743
NSN 2925-01-554-5246
NSN 6610-01-331-6966
NSN 5975-00-420-4473
NSN 6685-00-222-2932
NSN 6135-01-434-4954
NSN 5920-01-334-2903
NSN 6620-00-555-3992