Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74988116 found under Valve Stop Check by Kalmar Limited. The National Stock Number assigned to this part is 4820004838211, 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 74988116.