Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L140933 found under Screw Cap Hexagon Head by Bae Systems Advanced Technologies Inc Dba Bae Systems At. The National Stock Number assigned to this part is 5305015916633, 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 L140933.