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 5990-01-324-7529
NSN 5985-01-594-0704
NSN 5905-00-452-7068
NSN 6135-01-268-2152
NSN 5905-00-119-1462
NSN 5960-01-507-9112
NSN 6105-01-055-3411
NSN 6110-01-456-1985
NSN 5855-00-631-4565
NSN 5960-00-257-4203
NSN 5910-01-367-2738
NSN 6240-01-625-1279