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 5950-01-581-1221
NSN 6135-00-351-8606
NSN 5945-01-120-8956
NSN 5985-01-357-8907
NSN 6645-01-485-6536
NSN 6620-01-467-6795
NSN 7035-00-887-4674
NSN 4140-01-120-9477
NSN 5960-00-371-6963
NSN 6105-01-234-2765
NSN 6220-00-244-2040
NSN 5990-01-269-2111