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 5925-01-603-6209
NSN 5960-00-552-9500
NSN 6685-01-442-1441
NSN 5998-01-431-1437
NSN 4140-00-722-8888
NSN 6610-00-803-4374
NSN 5910-01-344-0932
NSN 5999-00-138-5660
NSN 5999-01-338-3808
NSN 6130-01-432-3429
NSN 5920-01-245-2400
NSN 5960-01-304-3073