Protective covering material on both sides, four 0.128 in. Diameter holes centered one per side 0.141 in. From edge, anti-static coated per mil-w-80, special requirements for nuclear propulsion plant equipment contained in individual repair parts ordering data instrumentation control no. Ac3400a, line no. 0735
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 5950-00-175-3178
NSN 6240-00-246-5060
NSN 6620-01-362-4276
NSN 7035-00-009-8705
NSN 6650-01-008-3477
NSN 6145-01-342-3749
NSN 5835-01-250-2939
NSN 6135-01-273-1253
NSN 5998-00-061-4254
NSN 6650-01-369-6536
NSN 5905-01-260-0794
NSN 5835-01-183-7467