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 6610-01-227-0364
NSN 6130-00-294-9431
NSN 4140-00-391-0879
NSN 6320-01-052-2118
NSN 5985-01-009-8686
NSN 6150-01-333-2645
NSN 5985-00-506-7903
NSN 4140-01-023-8846
NSN 2925-00-770-4713
NSN 4140-00-690-5288
NSN 5990-01-110-8979
NSN 6135-00-826-4798