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 5910-00-240-2561
NSN 6240-01-068-3491
NSN 5855-01-604-6106
NSN 6240-01-142-8923
NSN 5920-01-570-0553
NSN 6150-01-237-1165
NSN 7035-00-481-5182
NSN 6645-01-122-9430
NSN 6220-01-219-1772
NSN 6685-00-413-4722
NSN 6135-01-017-2790
NSN 5945-00-515-2667