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 5905-00-153-4668
NSN 5915-01-176-7004
NSN 5975-01-545-7750
NSN 6145-00-987-3401
NSN 6220-01-104-3006
NSN 5990-01-485-0260
NSN 5960-01-523-9098
NSN 6220-01-415-4854
NSN 5965-01-433-1974
NSN 5998-01-646-1753
NSN 6110-01-317-7867
NSN 5935-01-076-8207