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 4140-01-065-1884
NSN 6650-01-297-4376
NSN 5950-01-502-7019
NSN 6685-00-715-3881
NSN 5925-00-801-7120
NSN 5915-01-346-7866
NSN 6645-00-163-9580
NSN 6240-01-409-2465
NSN 5930-00-111-2727
NSN 4140-01-305-2112
NSN 5925-00-072-9933
NSN 6685-01-311-0385