Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N15A9420000B found under Thermometer Self Indicating by Weksler Glass Thermometer Corp. The National Stock Number assigned to this part is 6685002438071, 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 N15A9420000B.