Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 75A230643-2001 found under Stud Shouldered by H M Dunn Company Lp. The National Stock Number assigned to this part is 5307011729194, 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 75A230643-2001.