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 6220-00-925-7470
NSN 5985-00-717-8877
NSN 6620-00-849-9940
NSN 6240-01-441-3606
NSN 5975-01-128-3867
NSN 5998-00-189-1570
NSN 5998-00-430-0366
NSN 5985-01-313-8891
NSN 6135-00-715-4001
NSN 6620-01-311-3516
NSN 6110-01-432-2248
NSN 5950-00-970-7213