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 6650-01-648-1864
NSN 5975-00-794-1612
NSN 5945-01-124-4222
NSN 5910-00-731-7398
NSN 7035-01-411-6062
NSN 5985-00-410-3485
NSN 6130-01-152-2019
NSN 6110-01-419-7612
NSN 5996-01-472-5049
NSN 5855-01-210-7636
NSN 5950-00-961-3131
NSN 6220-00-370-5447