Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SV4F-3-1 found under Stud Assembly Turnlock Fastener by Senior Operations Llc. The National Stock Number assigned to this part is 5325011678637, 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 SV4F-3-1.