Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ES0-000144-49 found under Screw Machine by Navy Electronics Supply Office. The National Stock Number assigned to this part is 5305002301201, 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 ES0-000144-49.