Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20 22X3 53-24B7 found under O Ring by Societe Technique Armoricaine. The National Stock Number assigned to this part is 5331005596182, 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 20 22X3 53-24B7.