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 5930-01-115-5540
NSN 5910-01-527-2685
NSN 6105-01-436-9230
NSN 5965-00-924-7605
NSN 6620-01-316-3487
NSN 5925-00-597-1558
NSN 5996-01-237-1331
NSN 5905-01-634-0595
NSN 5950-00-735-4182
NSN 4140-01-067-2587
NSN 5910-00-214-9332
NSN 6110-01-011-5240