Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4W1241 found under Pump Engine Priming Hand Driven by Ohio Machinery Co. The National Stock Number assigned to this part is 2910012048072, and the Federal Supply Class is 2910 Engine Fuel System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4W1241.