Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1390-0552 found under Screw Captive by Agilent Technologies. The National Stock Number assigned to this part is 5305012273204, 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 1390-0552.