Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 267-783 found under Valve Gaset Kit by Pine Meadow Machine Co Inc. The National Stock Number assigned to this part is 4820011213878, 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 267-783.