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 4140-00-189-0235
NSN 6685-01-328-2522
NSN 5905-01-100-3984
NSN 6650-01-127-3693
NSN 6240-01-341-2675
NSN 5945-01-389-1895
NSN 6145-00-954-5121
NSN 5998-01-533-9347
NSN 5920-01-468-7772
NSN 6645-00-478-6509
NSN 5960-01-307-2674
NSN 6685-01-515-2520