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 6685-01-575-5734
NSN 6220-01-418-7699
NSN 4140-01-445-6656
NSN 6685-01-149-2843
NSN 6145-01-266-9237
NSN 5925-00-846-5436
NSN 5895-01-144-0131
NSN 5996-00-826-3198
NSN 5855-01-428-9456
NSN 5835-01-241-1090
NSN 5945-01-445-6081
NSN 5990-01-024-9659