Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 77B 3 8ID found under Hose Nonmetallic by Gates Corp. The National Stock Number assigned to this part is 4720007278234, 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 77B 3 8ID.