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 5965-01-010-1258
NSN 5930-01-472-2291
NSN 6110-01-483-1521
NSN 5960-01-055-6436
NSN 5999-01-113-0463
NSN 4140-01-202-2840
NSN 5855-00-256-5562
NSN 5985-00-442-1626
NSN 5905-01-199-7561
NSN 5996-00-401-4502
NSN 5935-01-420-9774
NSN 5935-01-536-3076