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 7035-00-756-4374
NSN 5965-01-477-0015
NSN 6685-01-426-8929
NSN 5895-00-342-9581
NSN 5855-01-560-1022
NSN 5998-00-948-5100
NSN 4140-00-918-5162
NSN 5985-01-313-8891
NSN 6105-00-248-5772
NSN 5999-01-227-0683
NSN 6320-01-415-0953
NSN 5930-00-285-0737