5360-00-542-0059 (1221-0022)
5360-00-542-0059 is equivalent to manufacture part number 1221-0022. It is a bal retainer spring and is classified under Federal Supply Class 5360 (5360 - Springs), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5360 - Springs and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.