PURPOSE This specification defines the procedures to be followed for the electrodeposited cadmium plating of fasteners@ fastening systems and other related hardware primarily as a corrosion protective plating. CLASSIFICATION The plating shall be of the following types and classes as specified. TYPES Types refer to post plating treatments or lack thereof. Type I - As plated Type II - Supplemental chromate treatment Type III - Supplemental phosphate treatment CLASSES Classes refer to the thickness of the cadmium plating (reference 3.4.1). Class 1 - .0005 inch minimum thickness (13 micrometers) Class 2 - .0003 inch minimum thickness (8 mircrometers) Class 3 - .0002 inch minimum thickness (5 micrometers) Recommendations for improvement or correction of this specification should be directed to the Aerospace Industries Association.
NAS4160-2001由AIA/NAS - Aerospace Industries Association of America Inc. 发布于 2001-03-01,并于 2001-03-15 实施。
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