4330-01-049-5985 (34228-503PC23)
4330-01-049-5985 is equivalent to manufacture part number 20-1057. It is a thermal air barrier and is classified under Federal Supply Class 4330 (4330 - Centrifugals, Separators, and Filters), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4330 - Centrifugals, Separators, and Filters and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.