Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P-2-4-25 found under Transmitter Pressure by Rolls Royce Marine North America. The National Stock Number assigned to this part is 6685013911192, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P-2-4-25.