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 6105-00-265-7545
NSN 6320-00-925-0558
NSN 6220-00-458-4633
NSN 5910-01-512-0626
NSN 5985-00-271-9502
NSN 5905-01-580-7999
NSN 5920-01-191-9847
NSN 6610-00-186-9180
NSN 5925-01-313-3565
NSN 5925-01-581-0625
NSN 5930-00-401-0307
NSN 6110-01-192-0552