Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J49J0043-1 found under Hose Assembly Nonme by Mcdonnell Douglas. The National Stock Number assigned to this part is 4720011920423, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like J49J0043-1.