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 5996-01-007-8093
NSN 5960-01-238-5046
NSN 5999-01-193-6676
NSN 5999-00-031-3637
NSN 5998-01-398-4866
NSN 5945-01-448-4220
NSN 6150-01-146-1553
NSN 5935-00-333-0426
NSN 6685-01-077-3414
NSN 5998-01-196-9491
NSN 5930-00-450-3464
NSN 6135-01-167-7604