Part Number 123-5941945 PART 23 having (CAGE Code 43689) and FSC 5315 Nails, Machine Keys, and Pins in stock with ready to ship. Get an instant quote for 123-5941945 PART 23 Pin Tapered Threaded by Huntington Ingalls Incorporated. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.