Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N15-L-9-73-0 found under Thermometer Self Indicating by Ashcroft Inc. The National Stock Number assigned to this part is 6685002440786, 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 N15-L-9-73-0.