4010-00-697-3604 (BBB64INLG1-4)
4010-00-697-3604 is equivalent to manufacture part number 8170-20-6. It is a welded chain and is classified under Federal Supply Class 4010 (4010 - Chain and Wire Rope), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4010 - Chain and Wire Rope and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.