Four 0.144 in. Dia. Mtg. Holes spaced 90 deg. Apart on 2.672 in.Radius
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 6130-01-550-1888
NSN 5945-00-632-0853
NSN 7035-01-487-5036
NSN 5925-01-481-8475
NSN 5915-01-068-3842
NSN 5996-01-580-0582
NSN 6650-00-015-1835
NSN 5930-01-179-8054
NSN 5985-00-428-2046
NSN 5960-01-175-9880
NSN 5910-01-541-2033
NSN 5998-00-929-3950