Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W002108 found under Support Valve Stem by Air Liquide Advanced Technologies. The National Stock Number assigned to this part is 4220007143515, and the Federal Supply Class is 4220 Marine Lifesaving And Diving Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like W002108.