Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3015TYPE1GRADE1 found under Valve Ball by Eslon Thermoplastics Inc. The National Stock Number assigned to this part is 4820001478245, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3015TYPE1GRADE1.