4730-00-540-2102 (571-5901-1302610REVB)
4730-00-540-2102 is equivalent to manufacture part number 3381. It is a threaded tube fitting plug and is classified under Federal Supply Class 4730 (4730 - Hose, Pipe, Tube, and Fittings), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4730 - Hose, Pipe, Tube, and Fittings and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.