Part Number 131820B-NB024 040 Wall 1 50X3 64 2 4 In Duct O in stock with ready to ship. Get an instant quote for Textool Production Co Inc part number 131820B-NB024 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 131820B-NB024. Our dedicated account manager will get back to you within 15 minutes.