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 6145-01-285-0593
NSN 6220-00-488-4332
NSN 5998-00-939-0070
NSN 6220-01-352-5425
NSN 5910-01-649-2202
NSN 5835-01-123-8305
NSN 5950-00-971-7503
NSN 5905-00-106-7059
NSN 5975-00-837-3293
NSN 5895-00-563-4207
NSN 5996-00-498-0305
NSN 5998-00-907-3128