Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 19HCS-104 PIECE 8 found under Key Machine by Aurora Pump. The National Stock Number assigned to this part is 5315011141062, 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 19HCS-104 PIECE 8.