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 6240-01-420-6495
NSN 5895-01-565-4081
NSN 6650-01-487-4566
NSN 5975-01-502-3667
NSN 6320-00-242-3300
NSN 6610-01-140-9608
NSN 5925-01-578-2137
NSN 5965-01-284-4153
NSN 6110-01-022-7476
NSN 6610-00-229-6742
NSN 6105-01-182-9604
NSN 6135-01-633-8502