Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3 8 16IN UNC 2AX1 750 LG found under Stud Welding by American National Standards Inst. The National Stock Number assigned to this part is 5307013170108, 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 3 8 16IN UNC 2AX1 750 LG.