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 6650-01-304-4955
NSN 5996-00-617-1640
NSN 6135-01-175-7311
NSN 4140-01-330-0613
NSN 6645-01-182-4896
NSN 5910-01-329-1725
NSN 5945-01-155-8681
NSN 5998-01-191-0169
NSN 6645-01-076-4655
NSN 5910-01-251-7560
NSN 6145-01-331-7799
NSN 6130-00-889-8108