Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 54057 found under Sensor Asm Water Pr by Parker Hannifin Ltd. The National Stock Number assigned to this part is 2990015665732, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 54057.