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 5975-01-138-2591
NSN 6685-00-068-0933
NSN 5855-01-328-7434
NSN 2925-01-150-7160
NSN 5915-01-102-1601
NSN 6240-01-453-3199
NSN 5905-00-281-1172
NSN 5945-01-358-5663
NSN 5996-01-321-0847
NSN 5920-01-058-1252
NSN 6110-01-014-3840
NSN 6240-01-435-3892