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 6105-01-431-6723
NSN 2925-00-887-7092
NSN 5998-01-460-8445
NSN 5915-01-191-3762
NSN 6650-00-820-4577
NSN 5895-01-644-4765
NSN 6610-01-642-7651
NSN 5965-00-226-0209
NSN 6150-01-331-8711
NSN 6150-00-333-6628
NSN 6650-01-651-0842
NSN 4140-01-100-7922