45.0 degrees by 0.047 in deep chamfer on edge of both sides
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 6135-01-180-9611
NSN 5990-01-054-3332
NSN 6610-01-526-9851
NSN 5999-00-328-5493
NSN 5925-01-223-6382
NSN 5945-01-534-3664
NSN 7035-01-283-2536
NSN 6320-01-412-2973
NSN 4140-01-292-5443
NSN 5960-01-593-4760
NSN 7035-00-731-8729
NSN 5945-01-142-3321