Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 315394 PC 40 found under Setscrew by Oldenburg Group Incorporated. The National Stock Number assigned to this part is 5305005148295, 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 315394 PC 40.