Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PLB-10511 ASSEMBLY 105112-B found under Valve Check by Admiral Valve Llc. The National Stock Number assigned to this part is 4820012483819, 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 PLB-10511 ASSEMBLY 105112-B.