Part Number 0.250-20UNC-3AX0.500LG NICUAL having (CAGE Code 81348) and FSC 5305 Screws in stock with ready to ship. Get an instant quote for 0.250-20UNC-3AX0.500LG NICUAL Screw Cap Socket Head by Federal Specifications Promulgat. 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.