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 6645-01-375-5488
NSN 5998-01-407-3714
NSN 6105-01-237-6090
NSN 5990-01-421-3325
NSN 6105-01-175-9060
NSN 5965-01-272-3480
NSN 5925-00-241-9774
NSN 5996-01-625-4270
NSN 5935-01-067-9491
NSN 4140-01-659-3557
NSN 5985-01-634-0635
NSN 5925-01-485-7539