Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HDW5A-3000-97-041A POS 221 found under O Ring by Blohm Voss Industries Gmbh. The National Stock Number assigned to this part is 5331121329483, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HDW5A-3000-97-041A POS 221.