Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2175R-1234SW0-PDA2 found under Indicator Humidity Plug by Clariant Corporation. The National Stock Number assigned to this part is 6685014307107, 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 2175R-1234SW0-PDA2.