4410-01-183-2180 (X-92739)
4410-01-183-2180 is equivalent to manufacture part number 271987. It is a companion flange and is classified under Federal Supply Class 4410 (4410 - Industrial Boilers), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4410 - Industrial Boilers and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.