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 6240-01-425-1160
NSN 5960-01-411-5217
NSN 5895-01-657-0716
NSN 6135-01-469-7574
NSN 6105-01-137-6004
NSN 5985-01-191-5843
NSN 5960-00-009-8082
NSN 6145-01-516-1838
NSN 6645-01-226-2766
NSN 5835-00-816-0394
NSN 6685-01-444-1496
NSN 5996-01-274-6460