Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JH3-013 found under Regulator Voltage by Hollingsworth John R Co. The National Stock Number assigned to this part is 2920004448556, and the Federal Supply Class is 2920 Engine Electrical System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like JH3-013.