Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 413B-NPR0-ECJ9 found under Thermometer Indicating Capillary by Weksler Glass Thermometer Corp. The National Stock Number assigned to this part is 6685002921179, 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 413B-NPR0-ECJ9.