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 5960-01-577-0628
NSN 6650-00-966-5205
NSN 5999-00-892-9917
NSN 6620-01-227-0433
NSN 5945-01-294-3086
NSN 5930-00-560-6161
NSN 5950-01-111-3475
NSN 5999-01-064-0309
NSN 6610-01-400-3880
NSN 6150-00-081-2063
NSN 5950-00-106-4839
NSN 5996-00-838-6941