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 5930-01-089-8045
NSN 5998-01-393-9763
NSN 5965-01-036-1325
NSN 5985-01-609-5272
NSN 5998-01-063-2809
NSN 5960-00-418-3588
NSN 5925-01-475-4692
NSN 6685-01-254-3058
NSN 6685-01-223-8882
NSN 6135-01-465-2681
NSN 6145-01-056-5515
NSN 6650-01-191-9059