Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 104A-70034-297 found under Valve Bypass by Singer Valve Inc. The National Stock Number assigned to this part is 4820012060773, 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 104A-70034-297.