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 5915-00-263-2175
NSN 6320-01-365-2701
NSN 5999-01-385-2309
NSN 5920-00-710-8434
NSN 6320-01-056-1164
NSN 5990-00-177-2924
NSN 5985-00-882-8654
NSN 5920-00-503-4850
NSN 6685-00-127-6204
NSN 5960-01-507-9112
NSN 5975-01-039-6298
NSN 6105-01-392-4222