Part Number MS21043-4 Nut Self Locking Cres 1 4 28 in stock with ready to ship. Get an instant quote for Fairchild Camera And Instrument part number MS21043-4 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for MS21043-4. Our dedicated account manager will get back to you within 15 minutes.