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 6610-01-371-3006
NSN 5999-00-951-0707
NSN 5910-01-384-7824
NSN 7035-00-163-6221
NSN 7035-01-287-1516
NSN 5925-01-134-4255
NSN 5960-01-210-9762
NSN 7035-00-238-3662
NSN 5960-00-181-0310
NSN 6110-00-156-0430
NSN 6685-00-223-9042
NSN 2925-00-737-6476