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 6220-01-420-7812
NSN 6105-01-266-5233
NSN 5965-01-443-5490
NSN 2925-01-512-4682
NSN 6150-01-341-5730
NSN 4140-01-513-6686
NSN 6645-01-101-2877
NSN 5920-01-650-6510
NSN 5915-00-993-6398
NSN 5915-01-535-8516
NSN 6240-01-435-6019
NSN 5998-00-064-7974