Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 800770 found under Syphon Tube Assy by Valcor Engineering Corp. The National Stock Number assigned to this part is 6340003241716, and the Federal Supply Class is 6340 Aircraft Alarm And Signal Systems. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 800770.