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 6240-01-159-5043
NSN 5925-01-540-7580
NSN 6150-01-024-0318
NSN 4140-01-232-5127
NSN 6130-01-123-5565
NSN 5999-01-321-4940
NSN 6620-01-295-5341
NSN 5985-00-151-3981
NSN 6220-01-073-1460
NSN 6130-01-246-2922
NSN 6320-00-261-9136
NSN 6130-01-156-9681