Part Number 1LN21 having (CAGE Code 75Q65) and FSC 2920 Engine Electrical System Components, Nonaircraft in stock with ready to ship. Get an instant quote for 1LN21 Jumper Assembly by Oshkosh Corporation. 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.