Procurement of NSN 2530015766656 CHAMBER, AIR BRAKE, for a quantity of 112 units. Delivery is required within 75 days after date of order. This may result in an automated Indefinite Delivery Contract with a one-year term, an aggregate cap of $350,000, an estimated one order per year, and a guaranteed minimum quantity of 16. Items will be shipped to various CONUS and OCONUS DLA depots. The approved source is 64678 HDX H111777, and no specifications or drawings are available; all responsible sources may submit electronic quotes.