Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B-7222-CO1 ITEM NO. 5 found under Kit 30 Foot Hose by T And S Brass And Bronze Works Inc. The National Stock Number assigned to this part is 4720015853636, 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 B-7222-CO1 ITEM NO. 5.