Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GS1006C7-20A found under Screw Close Toleran by B And B Specialties Inc. The National Stock Number assigned to this part is 5305015673833, 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 GS1006C7-20A.