Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1190-08P20B found under Screw Cap Socket He by Klx Aerospace Solutions Ii Sas. The National Stock Number assigned to this part is 5305010643587, 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 NAS1190-08P20B.