Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H47994-1 found under Stud Recessed by John Crane Inc. The National Stock Number assigned to this part is 5307014500853, and the Federal Supply Class is 5307 Studs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like H47994-1.