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 5950-00-144-4139
NSN 5855-01-519-3814
NSN 5985-00-470-8373
NSN 5920-00-679-7852
NSN 6645-01-399-0661
NSN 5835-01-071-6376
NSN 5975-01-364-0000
NSN 6130-01-004-0723
NSN 5935-00-488-7209
NSN 2925-01-091-4734
NSN 5920-01-061-4608
NSN 5920-01-442-7685