Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NPP632X2 3 4SSH found under Screw Machine by Bisco Industries Inc. The National Stock Number assigned to this part is 5305012099334, 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 NPP632X2 3 4SSH.