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 6145-01-044-3161
NSN 5915-00-767-1758
NSN 6145-00-515-6931
NSN 5999-00-469-9978
NSN 5915-00-889-6538
NSN 5950-01-207-0929
NSN 6620-01-428-7072
NSN 5935-01-212-8722
NSN 6645-01-156-6741
NSN 5965-01-526-0543
NSN 6645-00-887-0122
NSN 5999-00-822-2498