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 5925-00-762-3790
NSN 5998-01-524-8149
NSN 7035-01-150-6303
NSN 5965-01-633-8849
NSN 5965-00-757-3403
NSN 6145-01-104-8186
NSN 6135-00-557-8874
NSN 6105-01-056-4473
NSN 5998-01-202-4251
NSN 5990-01-400-2195
NSN 6320-01-607-1491
NSN 5920-01-063-8123