Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 112729-1 found under Seat by Bunn B H Co Inc. The National Stock Number assigned to this part is 4820001067330, 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 112729-1.