Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HP942300 1 found under Valve Relief Pressu by Teledyne Hydra Power. The National Stock Number assigned to this part is 4820013711961, 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 HP942300 1.