Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number YS1101512X10-10 found under Sleeve Yoke by Oic Valve Corp. The National Stock Number assigned to this part is 4820013363761, 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 YS1101512X10-10.