Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CA1816-1HS found under Nrp Fastener C300 by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 5325016189531, 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 CA1816-1HS.