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 5960-00-518-8204
NSN 6220-00-675-1925
NSN 7035-01-332-2304
NSN 6105-00-256-3830
NSN 7035-00-529-3128
NSN 6105-01-190-5434
NSN 6320-01-393-7022
NSN 6620-01-349-4469
NSN 6610-00-038-8148
NSN 4140-01-100-4652
NSN 6620-01-376-3744
NSN 5945-00-227-6836