Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RA4 5012 found under Stud Insulated by Conductix Inc. The National Stock Number assigned to this part is 5307005462358, and the Federal Supply Class is 5307 Studs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RA4 5012.