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 5835-01-616-6131
NSN 5925-01-481-8475
NSN 6145-01-566-9370
NSN 5990-01-487-0871
NSN 5835-00-469-3395
NSN 5975-00-959-4853
NSN 6650-01-127-9518
NSN 5999-01-459-8974
NSN 6685-00-203-4485
NSN 6220-01-141-4457
NSN 6130-01-147-7770
NSN 5855-01-085-5354