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 6145-01-268-3073
NSN 6150-01-100-6464
NSN 6240-01-098-6410
NSN 4140-01-578-3604
NSN 5835-01-399-5820
NSN 6150-01-620-1391
NSN 6320-00-174-1362
NSN 6220-00-006-9746
NSN 6110-00-905-6148
NSN 5998-00-236-0810
NSN 5855-01-068-3683
NSN 6220-01-353-5851