Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K5228541 found under Seat Hull Drain Poppet Valve by Truflex Rubber Products Co. The National Stock Number assigned to this part is 2590000696020, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K5228541.