Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B244396 found under Screw Rotor Compr by Rollsroyce Airlines. The National Stock Number assigned to this part is 5305004687932, 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 B244396.