Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 054235BP found under Valve Regulating Sy by U S Divers Co Inc. The National Stock Number assigned to this part is 4820016470938, 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 054235BP.