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 5895-01-634-0630
NSN 6240-01-224-6941
NSN 6645-00-445-8143
NSN 5925-00-248-5734
NSN 2925-01-265-2853
NSN 6130-00-334-8403
NSN 5945-00-260-4333
NSN 5925-00-319-4212
NSN 5895-00-938-0132
NSN 6685-00-325-4197
NSN 5835-01-522-9881
NSN 5905-00-491-6577