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 4140-00-651-5789
NSN 5998-00-358-0110
NSN 6130-01-287-9840
NSN 5925-01-369-2816
NSN 5975-01-576-8693
NSN 7035-01-435-4009
NSN 6610-01-267-3678
NSN 4140-01-652-0207
NSN 4140-00-757-5270
NSN 6135-01-033-5052
NSN 5945-00-189-0765
NSN 5996-01-598-8217