Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 045-054 found under Wheel Studs Nuts As by Dorman Products Inc. The National Stock Number assigned to this part is 5307012756019, 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 045-054.