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 5960-01-512-0233
NSN 5935-00-759-5242
NSN 5855-01-169-9228
NSN 2925-01-169-9105
NSN 4140-01-440-8645
NSN 7035-01-068-3300
NSN 5855-01-018-1247
NSN 6135-01-497-4516
NSN 6145-01-194-9327
NSN 6110-00-530-3779
NSN 5996-01-347-7949
NSN 6320-00-853-1920