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 6240-01-217-8287
NSN 6105-00-236-9947
NSN 6220-00-107-9301
NSN 5910-01-592-2746
NSN 6145-01-246-7506
NSN 5935-01-476-0853
NSN 6320-01-607-1491
NSN 6135-01-096-1452
NSN 5998-00-799-9236
NSN 5990-00-295-0968
NSN 5855-01-068-3683
NSN 6320-01-513-9166