Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1151-5 found under Screw Close Toleran by F And C Sales Inc. The National Stock Number assigned to this part is 5305004317114, 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 NAS1151-5.