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 6150-01-406-2513
NSN 5895-00-196-4868
NSN 6150-01-450-8842
NSN 5925-00-038-6147
NSN 5855-00-361-0167
NSN 5945-01-412-5121
NSN 6650-01-472-8109
NSN 5915-01-241-9336
NSN 5895-01-151-6009
NSN 5985-01-426-7399
NSN 5945-00-905-6692
NSN 5915-01-295-7700