Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 329 1401 found under Screw Close Toleran by General Motors Corp. The National Stock Number assigned to this part is 5305013051810, 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 329 1401.