Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JSFB38-8-44D found under Screw Machine by Saturn Fasteners Inc. The National Stock Number assigned to this part is 5305016277371, 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 JSFB38-8-44D.