Part Number 933 1 4-20 having (CAGE Code 11897) and FSC 5355 Knobs and Pointers in stock with ready to ship. Get an instant quote for 933 1 4-20 Knob by Plastiglide Mfg Corp. 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.