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 5960-00-181-0640
NSN 5990-01-647-8574
NSN 6650-01-305-0027
NSN 5910-01-067-6595
NSN 6220-01-185-4310
NSN 5895-01-378-7144
NSN 6620-01-356-2374
NSN 5910-01-279-2122
NSN 5945-01-350-3254
NSN 6610-01-477-6476
NSN 5835-00-491-3834
NSN 6145-00-243-7234