Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HUMISEAL1A27 found under Insulating Varnish by Chase Industries Inc. The National Stock Number assigned to this part is 5970009953652, 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 HUMISEAL1A27.