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 5930-00-690-4301
NSN 2925-01-642-3255
NSN 6135-00-100-8890
NSN 6240-01-061-7359
NSN 5930-01-456-4612
NSN 6135-00-583-3966
NSN 2925-00-087-2465
NSN 6650-01-334-9410
NSN 7035-01-479-5268
NSN 5985-01-507-8269
NSN 7035-01-196-3445
NSN 5920-00-484-5408