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 4140-00-526-4505
NSN 2925-01-118-6125
NSN 4140-01-152-4199
NSN 6105-01-382-9393
NSN 4140-00-816-8820
NSN 5965-01-348-8761
NSN 6620-00-153-6291
NSN 6650-01-368-1554
NSN 5999-01-553-4107
NSN 5975-01-418-2527
NSN 6620-01-034-1697
NSN 5960-01-649-1341