Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1101E4-8 found under Screw Machine by Plastic And Metal Products. The National Stock Number assigned to this part is 5305003900586, 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 NAS1101E4-8.