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 6650-01-569-2508
NSN 6220-01-204-7405
NSN 6105-00-143-5836
NSN 6610-00-935-7131
NSN 4140-00-813-1420
NSN 4140-01-416-7934
NSN 6145-01-022-0886
NSN 5915-01-614-7157
NSN 5998-01-089-7041
NSN 7035-00-286-6221
NSN 5910-01-099-9522
NSN 6685-00-276-9889