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 6240-01-243-9997
NSN 5950-01-100-4903
NSN 6130-01-626-1477
NSN 6110-00-596-9124
NSN 5996-00-113-7341
NSN 5835-00-953-4061
NSN 5965-01-106-4969
NSN 6130-00-011-8326
NSN 6650-01-158-5099
NSN 6220-01-161-5016
NSN 5975-01-183-1326
NSN 6620-01-621-0719