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 6650-01-477-2124
NSN 5915-01-040-1781
NSN 6650-01-487-2597
NSN 6620-01-087-4361
NSN 5935-00-111-1333
NSN 4140-01-245-8866
NSN 5945-01-042-4191
NSN 5905-00-841-0057
NSN 5910-00-233-8005
NSN 6130-00-170-4844
NSN 4140-01-336-2863
NSN 6130-00-266-7496