All corners chamfered 0.060 in. By 45 degrees typical
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: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6610-01-624-5664
NSN 5945-01-583-8363
NSN 5835-01-355-3654
NSN 6220-00-764-0404
NSN 5950-01-242-5105
NSN 5915-01-508-9350
NSN 5895-00-052-6192
NSN 5855-00-003-6408
NSN 5960-00-171-9575
NSN 5920-01-025-6989
NSN 5996-00-356-0680
NSN 2925-00-676-6440