Part Number 29511976 having (CAGE Code 73342) and FSC 2920 Engine Electrical System Components, Nonaircraft in stock with ready to ship. Get an instant quote for 29511976 Switch Safety Neutral Start by Allison Transmission. 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.