Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B3S2LREDLINE130F found under Thermometer Self Indicating Bime by Weksler Glass Thermometer Corp. The National Stock Number assigned to this part is 6685002678135, 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 B3S2LREDLINE130F.