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 2925-00-684-7708
NSN 5910-01-159-5527
NSN 5915-01-183-1841
NSN 5930-01-627-5572
NSN 5855-01-006-1827
NSN 6135-00-542-6216
NSN 5998-00-106-2858
NSN 5925-01-200-7813
NSN 6320-01-116-3980
NSN 5925-01-507-9389
NSN 5975-00-099-9312
NSN 5930-00-229-5554