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 5920-01-129-9638
NSN 5996-01-616-4615
NSN 5905-01-631-5427
NSN 5855-00-087-7833
NSN 6110-01-067-3741
NSN 5996-01-500-6644
NSN 6650-01-078-8179
NSN 5996-01-586-7787
NSN 5910-01-486-4139
NSN 5960-00-311-8787
NSN 6645-01-326-7316
NSN 5985-01-102-8007