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 5998-00-323-1289
NSN 5996-00-150-8842
NSN 7035-01-459-8268
NSN 6685-01-118-8557
NSN 6685-00-678-0567
NSN 5975-01-510-4355
NSN 6110-01-592-2427
NSN 5895-01-421-1573
NSN 2925-01-244-3016
NSN 5835-00-518-4507
NSN 6130-01-632-1636
NSN 6220-00-035-6736