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 5835-00-226-7825
NSN 5996-01-064-6969
NSN 5930-01-290-8488
NSN 5905-01-306-9491
NSN 6645-00-253-9617
NSN 5996-00-153-3216
NSN 5996-00-229-7037
NSN 5945-00-295-6773
NSN 4140-01-542-5199
NSN 6650-00-647-1085
NSN 6650-01-371-3551
NSN 6620-01-478-6790