Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 19 11819TW found under Insulator Bushing by Vaisala Meteorological Systems Inc. The National Stock Number assigned to this part is 5970013247812, and the Federal Supply Class is 5970 Electrical Insulators And Insulating Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 19 11819TW.