Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S662-4016ANDPC1 found under O Ring by Superior Pipe Specialties Co. The National Stock Number assigned to this part is 5331006414330, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S662-4016ANDPC1.