Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HV-120 JO-45-A 1D2 1210PSI found under Valve Safety Relief by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 4820012328028, 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 HV-120 JO-45-A 1D2 1210PSI.