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 6320-01-170-4068
NSN 5925-01-410-8515
NSN 6620-01-605-9660
NSN 6130-01-571-8628
NSN 6135-01-507-4346
NSN 2925-01-216-4757
NSN 5950-00-759-6785
NSN 6135-00-170-8819
NSN 6650-00-791-1637
NSN 5996-01-437-6227
NSN 6320-01-292-6635
NSN 5998-00-133-0617