Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LP31391 found under Stud Continuous Thr by Yardney Technical Products Inc. The National Stock Number assigned to this part is 5307015976257, 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 LP31391.