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 5855-00-327-2112
NSN 6645-00-239-5743
NSN 5990-00-206-3753
NSN 6610-00-300-4774
NSN 2925-01-032-3814
NSN 5915-01-015-5829
NSN 5990-01-400-3299
NSN 5999-00-196-3635
NSN 5925-01-309-0004
NSN 5999-01-188-3756
NSN 5855-01-412-5147
NSN 5905-01-560-5197