Part Number 139D129 having (CAGE Code 81381) and FSC 2835 Gas Turbines and Jet Engines; Non-Aircraft Prime Mover, Aircraft Non-Prime Mover, and Components in stock with ready to ship. Get an instant quote for 139D129 Safety Hd Assembly by Stewart And Stevenson Services Inc. 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.