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 6240-01-523-9983
NSN 6220-01-551-9395
NSN 5960-01-290-6919
NSN 5835-01-143-9143
NSN 5920-01-259-4258
NSN 6645-00-764-3355
NSN 5935-01-527-6278
NSN 5835-00-491-3834
NSN 5910-01-487-3735
NSN 5915-01-115-2953
NSN 6135-00-087-0333
NSN 5990-01-127-1108