Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 800098-101-1205 found under Sampling Pump Air by Gilian Instrument Corp. The National Stock Number assigned to this part is 6665015430503, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 800098-101-1205.