Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 221-01-01068-800 found under Screw Cap Socket He by York International Corporation. The National Stock Number assigned to this part is 5305006381289, 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 221-01-01068-800.