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 5835-01-386-4027
NSN 5965-00-076-2332
NSN 6320-01-158-2177
NSN 6610-00-053-9565
NSN 5920-01-112-0296
NSN 5925-00-231-8668
NSN 7035-01-633-9537
NSN 6110-01-158-9418
NSN 5895-00-930-5257
NSN 5945-00-577-2617
NSN 5998-00-253-1041
NSN 5915-00-952-0594