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 6135-00-593-6831
NSN 6685-00-887-9303
NSN 5950-01-616-1925
NSN 5990-00-118-8953
NSN 6130-00-862-2648
NSN 5910-00-883-8518
NSN 5975-01-554-3158
NSN 5960-00-840-7103
NSN 5920-01-502-5838
NSN 5920-00-285-2245
NSN 6110-00-081-0927
NSN 5835-01-422-7393