Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TN33CR040J12PS found under Screw Cap Socket He by Torkon Fastener Corp. The National Stock Number assigned to this part is 5305012741256, 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 TN33CR040J12PS.