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 6685-01-461-6992
NSN 5855-00-779-2854
NSN 5996-00-789-5233
NSN 5910-01-262-9304
NSN 2925-01-580-8072
NSN 6130-00-808-7842
NSN 5925-00-001-7446
NSN 5999-00-840-9267
NSN 5835-00-936-8753
NSN 5985-01-499-0474
NSN 4140-01-318-7540
NSN 5895-01-442-6518