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 5945-01-090-0890
NSN 5910-00-524-5864
NSN 5855-00-688-9954
NSN 5895-01-426-5318
NSN 6240-01-166-1807
NSN 6610-00-800-7645
NSN 5895-00-456-0830
NSN 5910-00-186-7342
NSN 5935-01-193-7327
NSN 5990-00-076-9839
NSN 6150-00-015-6179
NSN 6240-01-519-2935