Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 91103407HD found under Hose Assembly Nonmetallic by Kirkpatrick Group Inc The. The National Stock Number assigned to this part is 4720014709729, 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 91103407HD.