5340-12-302-5045 (301 022 4139301022)
5340-12-302-5045 is equivalent to manufacture part number 4139. It is a dust protective cap and is classified under Federal Supply Class 5340 (5340 - Commercial Hardware), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5340 - Commercial Hardware and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.