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 6240-01-416-2313
NSN 5920-00-402-1752
NSN 5855-01-406-7237
NSN 7035-00-529-3128
NSN 5915-01-324-5388
NSN 4140-00-840-2082
NSN 4140-01-482-5038
NSN 5935-01-364-5793
NSN 5990-01-481-3080
NSN 5925-01-352-0657
NSN 5945-00-804-4753
NSN 5960-01-328-1533