Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40S119-10-4BB found under Stud Assembly Turnlock Fastener by Alcoa Fastening Systems Ltd. The National Stock Number assigned to this part is 5325005339776, 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 40S119-10-4BB.