Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number IN365 304PC52 found under Key Machine by Singer Co The. The National Stock Number assigned to this part is 5315001889448, 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 IN365 304PC52.