5331-01-463-8812 (SPECIFIC V-22 AE1107C ENGINE NSNSPECIFICV22AE1107CENGINE)
5331-01-463-8812 is equivalent to manufacture part number 21852. It is a a preformed packing and is classified under Federal Supply Class 5331 (5331 - O-Rings), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5331 - O-Rings and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.