3411-00-879-2103 (3411-4412-6215)
3411-00-879-2103 is equivalent to manufacture part number 221. It is a bridge type boring machine and is classified under Federal Supply Class 3411 (3411 - Boring Machines), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3411 - Boring Machines and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.