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 5905-01-381-0329
NSN 5998-00-165-3862
NSN 5895-01-303-8062
NSN 5910-01-211-2756
NSN 5999-01-531-7766
NSN 5925-00-505-4083
NSN 5930-01-562-6764
NSN 5999-00-442-0877
NSN 7035-01-335-6694
NSN 5910-00-963-9207
NSN 6610-01-447-2560
NSN 5925-01-079-7296