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 4140-01-259-4149
NSN 5855-00-688-9954
NSN 6150-01-497-4573
NSN 6150-01-534-0685
NSN 6110-01-280-5390
NSN 6240-01-150-2712
NSN 5930-01-313-7719
NSN 2925-01-174-6786
NSN 6645-01-331-5674
NSN 6620-01-199-8580
NSN 5985-01-401-5387
NSN 5996-01-478-0831