Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5P-AIR REG-FLTR-OIL-SAFE VALVE found under Filter Regulator Lubricator by S And G Enterprises Inc. The National Stock Number assigned to this part is 3540013871549, 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 5P-AIR REG-FLTR-OIL-SAFE VALVE.