Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 39P1 found under Shaft by Pacific Car And Foundry Co. The National Stock Number assigned to this part is 2520003503020, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 39P1.