Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 81008-0038 found under Cock Shutoff Screw Stem by Ling Electronics Ltd. The National Stock Number assigned to this part is 4820007858153, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 81008-0038.