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 7035-01-258-7661
NSN 5975-00-126-5724
NSN 6130-01-553-3101
NSN 5990-01-280-0321
NSN 6150-01-086-6810
NSN 5915-00-966-8527
NSN 6145-01-148-2263
NSN 6620-00-428-9866
NSN 5855-01-268-6468
NSN 6685-00-186-0190
NSN 5925-01-023-1411
NSN 5990-01-485-0260