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 5925-01-520-7848
NSN 5950-01-066-6615
NSN 6150-01-472-4415
NSN 5950-00-816-5900
NSN 4140-00-878-1222
NSN 5925-01-393-7196
NSN 5905-00-508-5658
NSN 6620-00-203-9466
NSN 6220-01-421-4448
NSN 5965-00-055-8013
NSN 5985-01-324-8690
NSN 5910-01-467-1324