Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N15-010401 found under Fastener Spring Tension Trim by Illinois Tool Works Inc. The National Stock Number assigned to this part is 5325012147817, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like N15-010401.