Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GS1018-3-4 found under Screw Close Toleran by B And B Specialties Inc. The National Stock Number assigned to this part is 5305013035637, 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 GS1018-3-4.