Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WC1262C4-2-5A found under Screw Close Tolerance by West Coast Aerospace Inc. The National Stock Number assigned to this part is 5305015128385, 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 WC1262C4-2-5A.