3815-01-187-6998 (5300841)
3815-01-187-6998 is equivalent to manufacture part number 50U4. It is a drum rotation thumper assembly and is classified under Federal Supply Class 3815 (3815 - Crane and Crane-Shovel Attachments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3815 - Crane and Crane-Shovel Attachments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.