Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 26S1-6-55 found under Stud Spl by Siemens Corp. The National Stock Number assigned to this part is 5325004896390, 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 26S1-6-55.