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 5945-00-030-2003
NSN 6145-01-197-6921
NSN 6150-00-626-6656
NSN 6105-01-497-3122
NSN 7035-00-299-7150
NSN 5950-01-605-1386
NSN 6130-00-659-1556
NSN 5895-00-979-3882
NSN 6645-01-211-6502
NSN 6620-01-311-3516
NSN 5998-01-388-2928
NSN 5915-01-082-8292