Part Number 99-6031523 having (CAGE Code 99995) and FSC 1560 Airframe Structural Components in stock with ready to ship. Get an instant quote for 99-6031523 Pipe Drain by Nato Stock Number Assigned By An. 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.