Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JPH111-01 found under Valve Plug by Hollingsworth John R Co. The National Stock Number assigned to this part is 4820009257374, 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 JPH111-01.