Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A51B18514-1 found under Fitting Assembly by D F P Manufacturing Corp. The National Stock Number assigned to this part is 1560004340350, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A51B18514-1.