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 2925-01-011-2325
NSN 5895-00-205-0620
NSN 6220-01-147-7219
NSN 5925-01-180-0082
NSN 5925-01-641-5304
NSN 6320-01-114-6054
NSN 5835-00-327-6192
NSN 5905-01-167-9308
NSN 6135-01-615-6205
NSN 6145-01-379-1168
NSN 5996-01-412-9232
NSN 5910-00-951-0973