Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1J1001 ITEM 23 found under Screw Cap Socket He by Vacco Industries. The National Stock Number assigned to this part is 5305014209330, 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 S1J1001 ITEM 23.