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 6645-01-107-5699
NSN 5905-01-450-6460
NSN 6150-00-347-0520
NSN 6610-00-144-7036
NSN 5975-00-332-7221
NSN 5998-00-728-3637
NSN 5945-01-289-7403
NSN 2925-01-327-3069
NSN 6105-01-634-0322
NSN 6240-00-827-0889
NSN 6135-00-057-2005
NSN 5990-00-636-4218