Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1.500008UN3AT4G4340STDC found under Stud Continuous Thr by Electric Boat Corporation. The National Stock Number assigned to this part is 5307013384285, 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 1.500008UN3AT4G4340STDC.