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 5930-00-954-5756
NSN 5996-01-586-5270
NSN 5985-01-521-2873
NSN 6150-00-150-8838
NSN 5895-01-484-9666
NSN 6685-00-634-9964
NSN 5999-00-058-0612
NSN 5998-01-221-8048
NSN 6685-00-888-4033
NSN 5998-01-010-3217
NSN 5990-00-107-7161
NSN 5985-00-835-5009