Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3M902C4-14A found under Screw Shoulder by Twist Tite Mfg Inc. The National Stock Number assigned to this part is 5305011432835, 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 3M902C4-14A.