Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5 1 68 1 4 ITEM 442A found under Rocker Arm Engine P by Hans Jensen Lubricators A S. The National Stock Number assigned to this part is 2805222581932, and the Federal Supply Class is 2805 Gasoline Reciprocating Engines Except Aircraft And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5 1 68 1 4 ITEM 442A.