Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 19HCS-105PC10 15 22 found under Setscrew by Aurora Pump. The National Stock Number assigned to this part is 5305009953453, 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 19HCS-105PC10 15 22.