Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 234-10 found under Extension 10 Inches by Brunson Instrument Company Inc. The National Stock Number assigned to this part is 2040011714154, and the Federal Supply Class is 2040 Marine Hardware And Hull Items. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 234-10.