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 5996-00-126-6139
NSN 6320-00-790-4844
NSN 5925-00-300-6355
NSN 5999-00-081-9413
NSN 5985-01-548-0341
NSN 5835-00-523-0736
NSN 6135-01-551-0562
NSN 5925-00-255-2048
NSN 6135-00-906-0984
NSN 5999-00-386-9608
NSN 7035-00-529-3128
NSN 5950-01-501-7162