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 4140-01-104-4727
NSN 5930-00-652-1949
NSN 5910-01-602-9296
NSN 5935-01-431-7369
NSN 5835-00-087-9512
NSN 6320-00-857-4073
NSN 5965-00-836-2690
NSN 5895-01-250-4498
NSN 5985-01-464-3153
NSN 6130-00-900-4758
NSN 5895-00-362-2371
NSN 5985-00-509-1182