Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 77610421 found under Stud Turnlock Fastener by Genicom Corp. The National Stock Number assigned to this part is 5325013676907, 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 77610421.