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 5930-01-578-0374
NSN 5950-01-233-5882
NSN 5985-00-390-8837
NSN 5895-00-803-6217
NSN 5960-01-237-2336
NSN 5835-01-168-6256
NSN 5990-01-426-7350
NSN 6145-01-444-1668
NSN 5996-01-109-1586
NSN 5950-01-069-5281
NSN 6105-01-430-0309
NSN 6645-00-192-1152