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 2925-01-174-6786
NSN 5895-01-497-3417
NSN 5935-00-332-5674
NSN 5915-01-324-5850
NSN 6220-01-071-0549
NSN 6145-00-450-1947
NSN 5835-01-515-6537
NSN 4140-00-091-0869
NSN 6610-00-144-7036
NSN 5975-00-457-0611
NSN 4140-01-438-1623
NSN 5925-01-519-6278