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 5998-00-065-7944
NSN 5905-01-155-7338
NSN 5965-00-055-8013
NSN 6685-01-333-8621
NSN 6650-00-403-0246
NSN 5945-00-522-4817
NSN 5965-01-225-1728
NSN 5996-01-147-6054
NSN 5930-01-443-3553
NSN 6145-01-603-9302
NSN 6610-01-423-7481
NSN 6130-00-725-0066