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 5910-01-159-9296
NSN 6105-00-377-8206
NSN 6685-01-130-7713
NSN 5998-01-390-1827
NSN 5999-01-381-4384
NSN 5910-00-276-8592
NSN 4140-00-498-6867
NSN 6610-01-333-9543
NSN 6130-00-760-7456
NSN 5935-01-308-4110
NSN 5965-01-644-2946
NSN 5985-00-301-3814