5330-00-641-4253 (65X2246)
5330-00-641-4253 is equivalent to manufacture part number 1808. It is a plain encased 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.