Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20818-XA-2016 found under Pin Shoulder Headed by Holland Usa Inc. The National Stock Number assigned to this part is 5315003498379, 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 20818-XA-2016.