Part Number B1990-2 having (CAGE Code 25472) and FSC 5305 Screws in stock with ready to ship. Get an instant quote for B1990-2 Screw Shoulder by Bfgoodrich Co The Aerospace Div. 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.