Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS-V2BFS12MM found under Valve Assembly Manifold by Swagelok Ltd. The National Stock Number assigned to this part is 4820016601194, 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 SS-V2BFS12MM.