Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DB75A-48 found under Hose Assembly Nonme by Rollsroyce Airlines. The National Stock Number assigned to this part is 4720014719611, 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 DB75A-48.