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 5920-00-240-6394
NSN 6130-01-423-1630
NSN 6110-01-390-6748
NSN 6620-01-070-2215
NSN 5895-00-802-1575
NSN 5895-00-490-0104
NSN 5985-00-256-9027
NSN 4140-00-597-5260
NSN 6645-01-306-7376
NSN 6220-01-595-9698
NSN 6130-00-621-7997
NSN 6220-01-577-6884