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 5985-01-261-2307
NSN 5855-01-188-4049
NSN 6620-01-541-5480
NSN 5855-00-832-9341
NSN 6145-00-502-1828
NSN 6685-00-177-2563
NSN 5895-00-596-8678
NSN 5920-00-221-5668
NSN 5960-01-353-0773
NSN 5920-01-205-7302
NSN 6645-01-362-9621
NSN 5960-01-268-8674