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 5895-00-212-7451
NSN 6320-01-554-0901
NSN 5925-01-159-2014
NSN 5985-01-429-0876
NSN 5985-00-860-8931
NSN 5965-01-416-4059
NSN 5925-00-900-1904
NSN 6150-01-323-3388
NSN 5930-00-170-3585
NSN 6610-01-563-8223
NSN 5990-00-165-1809
NSN 6240-00-232-7065