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 6150-00-184-5523
NSN 6645-00-513-6516
NSN 6145-01-491-7530
NSN 6645-01-534-3148
NSN 5895-00-907-0761
NSN 6220-00-186-8565
NSN 5930-00-707-4138
NSN 5920-01-488-4524
NSN 5895-01-528-9590
NSN 6220-01-278-8900
NSN 6135-01-159-9705
NSN 5945-01-361-2134