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 6320-01-607-2978
NSN 6320-00-228-5678
NSN 6220-00-357-9534
NSN 5945-01-090-5735
NSN 5930-01-226-2851
NSN 5985-00-760-4159
NSN 5915-01-614-9994
NSN 2925-00-433-5429
NSN 6130-01-173-4014
NSN 5945-01-516-8662
NSN 5895-00-609-4375
NSN 5950-01-462-5358