Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 26400H0-01 found under Nrp Valve Vent K40 by Tri Tec Manufacturing Llc. The National Stock Number assigned to this part is 4820016326856, 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 26400H0-01.