Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 51B335-9 found under Screw Machine by Hi Shear Corporation. The National Stock Number assigned to this part is 5305009480766, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 51B335-9.