Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12495 found under Valve Gate by Ulstein Usa Inc. The National Stock Number assigned to this part is 4820251502117, 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 12495.