Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J1926-1 found under Manifold Return by Society Of Automotive Engineers Inc. The National Stock Number assigned to this part is 2990015626362, 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 J1926-1.