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 6110-01-017-8025
NSN 6320-01-643-0850
NSN 5998-01-571-7196
NSN 5999-01-005-0762
NSN 5835-00-518-4507
NSN 5945-00-785-8562
NSN 5915-01-499-8169
NSN 5835-01-504-0837
NSN 5985-01-128-2757
NSN 5895-01-448-9587
NSN 5960-01-065-9684
NSN 6610-00-121-4683