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 5910-01-509-3490
NSN 5950-00-951-3710
NSN 5910-01-147-0146
NSN 5998-00-460-0453
NSN 5945-01-337-3848
NSN 5925-00-934-2648
NSN 5985-00-740-7154
NSN 5950-00-301-5352
NSN 5960-00-477-1203
NSN 5998-01-241-4794
NSN 6220-01-481-3742
NSN 5975-00-318-4623