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 5990-01-307-4489
NSN 5975-01-506-8164
NSN 5996-01-502-5663
NSN 4140-00-715-9412
NSN 6110-01-327-6630
NSN 5985-00-141-9036
NSN 6110-01-399-8587
NSN 5935-01-615-8732
NSN 5998-01-324-9457
NSN 5990-00-276-8650
NSN 5945-00-170-5885
NSN 2925-00-168-9740