Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4X-1956 found under Studcontinuous Thread by Meritor Inc. The National Stock Number assigned to this part is 5307016731181, 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 4X-1956.