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 6610-01-053-6781
NSN 6685-01-588-6763
NSN 6685-01-556-1126
NSN 5835-01-112-9008
NSN 6150-01-567-2632
NSN 6150-01-309-9309
NSN 2925-01-187-5480
NSN 5920-01-413-1608
NSN 4140-01-561-6433
NSN 6135-01-202-8113
NSN 5895-01-010-3102
NSN 5999-00-871-3971