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 6130-01-442-2344
NSN 6135-00-951-3426
NSN 6135-01-366-9633
NSN 6645-01-123-9277
NSN 6220-00-660-5539
NSN 5990-00-269-0499
NSN 5950-01-399-0509
NSN 6620-01-633-8443
NSN 5985-00-376-5682
NSN 5895-01-445-6561
NSN 5910-01-612-7198
NSN 6220-00-266-8222