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 6220-00-010-1595
NSN 5996-00-045-8379
NSN 6240-00-156-1607
NSN 5998-00-730-3878
NSN 6645-01-394-5149
NSN 5945-00-655-3146
NSN 6150-00-334-0331
NSN 6145-01-361-8877
NSN 4140-01-161-8955
NSN 5930-00-759-5595
NSN 5975-01-528-7359
NSN 5930-01-584-7399