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 6685-00-985-5221
NSN 7035-01-089-4485
NSN 5996-01-579-4849
NSN 5925-01-243-9177
NSN 2925-01-463-8856
NSN 5835-01-202-9673
NSN 5915-00-568-1809
NSN 6110-01-207-9784
NSN 6650-01-527-0465
NSN 5990-00-473-1809
NSN 5910-01-505-4719
NSN 5996-01-657-2029