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 5985-00-265-0724
NSN 6145-00-578-7522
NSN 5998-01-489-5917
NSN 6685-01-004-0708
NSN 5985-00-547-8642
NSN 6685-01-219-5528
NSN 5950-01-132-5968
NSN 5960-01-399-4327
NSN 5930-00-669-7467
NSN 6610-00-896-4914
NSN 6610-01-633-8931
NSN 6150-00-862-9095