Part Number SIZ 1 38-6 UNC-3A X 7 1 2L1 having (CAGE Code 03950) and FSC 5307 Studs in stock with ready to ship. Get an instant quote for SIZ 1 38-6 UNC-3A X 7 1 2L1 Stud Continuous Thread by Miscellaneous. 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.