Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NN-19-1 SYMBOL 112 found under Pin by Alfa Laval Inc. The National Stock Number assigned to this part is 5315011474798, 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 NN-19-1 SYMBOL 112.