5360-00-209-9689 (962-1-10M1ALT2ITEM1B)
5360-00-209-9689 is equivalent to manufacture part number 221B873AAREVAPC30C. It is a compression helical 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.