Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 157749-F PIECE 54 found under Stud Continuous Thr by Superiorlidgerwoodmundy Corpor. The National Stock Number assigned to this part is 5307012819153, 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 157749-F PIECE 54.