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 5998-01-319-2814
NSN 2925-01-554-5246
NSN 6320-01-530-0588
NSN 5935-01-651-9350
NSN 5985-01-409-2865
NSN 6135-00-613-1068
NSN 6650-00-537-9222
NSN 7035-00-946-2642
NSN 5895-01-067-7957
NSN 5920-01-569-2896
NSN 5998-01-225-2558
NSN 4140-01-573-8981