5330-00-301-8145 (659M0LD)
5330-00-301-8145 is equivalent to manufacture part number 659M0LD. It is a clapper seal and is classified under Federal Supply Class 5330 (5330 - Packing and Gasket Materials), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5330 - Packing and Gasket Materials and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.