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 6150-00-254-1041
NSN 6645-01-579-6304
NSN 5925-01-212-5707
NSN 5960-00-151-7576
NSN 5998-01-069-2391
NSN 6110-00-846-9413
NSN 5960-01-462-7704
NSN 5835-01-257-0154
NSN 5960-01-262-1399
NSN 6150-00-000-0180
NSN 6150-01-289-1283
NSN 6620-01-365-1499