Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A04100256 found under Guide Valve Stem by C Way Industries Inc. The National Stock Number assigned to this part is 2815011012635, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A04100256.