Part Number 991-4-00001-005 Insert Wire Thread 7 16 Unf in stock with ready to ship. Get an instant quote for Eaton Aviation Corporation part number 991-4-00001-005 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 991-4-00001-005. Our dedicated account manager will get back to you within 15 minutes.