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 6220-00-068-8750
NSN 4140-01-354-5849
NSN 5998-01-606-1841
NSN 6240-00-364-0850
NSN 6685-01-047-6494
NSN 5935-01-014-3382
NSN 5996-01-362-5526
NSN 6105-01-431-6723
NSN 2925-01-099-7075
NSN 2925-01-004-5627
NSN 5910-00-444-6766
NSN 5910-00-248-6899