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 5960-01-167-8796
NSN 5925-01-627-5122
NSN 5998-00-576-4861
NSN 5835-00-546-4898
NSN 5998-01-054-4998
NSN 6150-00-503-3986
NSN 6620-01-029-5572
NSN 5930-01-393-6134
NSN 5975-01-290-5789
NSN 4140-00-274-9638
NSN 6320-01-145-9013
NSN 6105-01-487-3992