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 6110-01-150-2672
NSN 5996-00-188-7063
NSN 6145-00-266-8453
NSN 7035-00-902-8995
NSN 5915-00-299-2105
NSN 4140-01-533-3791
NSN 5999-00-701-9831
NSN 5996-01-151-1607
NSN 5990-00-660-8885
NSN 5990-00-404-2451
NSN 6620-00-155-2608
NSN 6145-01-442-3511