This is a pre-solicitation notice for six rotary pumps (NSN 4320 00 733 4735, part number CAT198) with a 100% option. Delivery terms are FOB Destination. The solicitation will allow the use of a reverse auction as a pricing technique, to be determined after solicitation closes. Contractors must register in the reverse auction system and complete online training to participate if an auction is held. No timelines, budget amounts, or performance location are specified.