Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3M1170C5-5A found under Screw Close Toleran by Monogram Aerospace Fasteners Inc. The National Stock Number assigned to this part is 5305015098092, 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 3M1170C5-5A.