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 4140-00-932-6074
NSN 6320-01-491-0327
NSN 5910-01-583-6067
NSN 6145-01-538-5838
NSN 6145-01-022-5652
NSN 5910-01-233-5720
NSN 5999-01-132-7352
NSN 6620-01-361-8685
NSN 4140-01-472-6833
NSN 6610-01-391-5092
NSN 5855-01-100-3272
NSN 6220-00-451-8161