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 5999-00-418-4298
NSN 6150-01-068-3695
NSN 7035-00-111-4389
NSN 2925-01-312-9502
NSN 5965-01-342-2865
NSN 5835-00-540-9669
NSN 5910-00-770-6096
NSN 5999-01-453-7798
NSN 5965-01-292-0035
NSN 6320-01-455-3394
NSN 5835-01-506-0746
NSN 5965-01-269-4338