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 6650-01-194-6997
NSN 6150-00-418-3071
NSN 5915-01-106-7902
NSN 6240-01-228-8731
NSN 5975-00-657-9507
NSN 6130-01-453-9303
NSN 5895-01-396-0713
NSN 6220-00-152-7114
NSN 5855-01-218-3735
NSN 6685-00-484-2178
NSN 6240-01-176-0223
NSN 6685-01-467-8789