Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EJ-41159 ITEM 3 found under Setscrew by The Entwistle Company. The National Stock Number assigned to this part is 5305014496787, 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 EJ-41159 ITEM 3.