Mounts by a 5/8-24 threaded hole on one end
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 5985-01-334-9776
NSN 5960-01-538-2082
NSN 5975-01-627-9278
NSN 7035-01-239-7297
NSN 5925-01-419-6287
NSN 5999-01-458-7882
NSN 5975-01-136-8861
NSN 5920-00-161-4564
NSN 4140-00-210-0552
NSN 5895-00-617-6340
NSN 5910-00-203-4380
NSN 5998-01-048-5959