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 6240-01-461-0296
NSN 4140-01-195-5609
NSN 5996-00-871-5734
NSN 5945-00-010-7857
NSN 6150-00-690-5447
NSN 5930-00-231-2977
NSN 5935-01-585-4593
NSN 5855-01-275-5470
NSN 6610-00-898-4867
NSN 6685-01-576-4600
NSN 5985-01-266-5776
NSN 5920-01-359-3982