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 6320-00-004-9158
NSN 6135-00-681-2702
NSN 5920-00-203-5938
NSN 6650-01-531-2439
NSN 6610-01-027-1641
NSN 6130-01-275-5727
NSN 5920-01-332-8992
NSN 5950-00-714-0177
NSN 5998-01-233-4216
NSN 5925-01-516-2823
NSN 2925-00-180-2532
NSN 5960-00-714-3386