Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S281M60T1001 found under Valve Fire Check by Airbus Helicopters Inc. The National Stock Number assigned to this part is 4820015283151, 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 S281M60T1001.