5350-01-455-0879 (FF325-MC)
5350-01-455-0879 is equivalent to manufacture part number 57F240. It is a pumice and is classified under Federal Supply Class 5350 (5350 - Abrasive Materials), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5350 - Abrasive Materials and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.