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 5855-00-149-0766
NSN 5835-01-256-8006
NSN 6145-00-062-7897
NSN 5965-01-423-8543
NSN 5930-00-144-4994
NSN 6685-01-100-6744
NSN 5930-01-564-7212
NSN 6610-01-331-6966
NSN 6620-01-308-5723
NSN 5935-00-015-6285
NSN 5998-01-193-3811
NSN 6145-00-602-2759