Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12221XXX22-20 found under Pin Retaining by Sea Recovery Corporation. The National Stock Number assigned to this part is 5315015448862, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12221XXX22-20.