The U.S. Coast Guard is seeking quotations for six specific impellers (NSN 4320-01-487-7123, Cummins-Wagner P/N 121512) for vertical inline centrifugal fire pumps used on 270' WMEC class cutters. The standard factory shipment lead time is 12-14 weeks, and all items must be individually packaged and marked in accordance with MIL-STD-2073-1E and MIL-STD-129R. No budget amount is specified in the description. The contract will be awarded on a firm fixed price, lowest price technically acceptable basis, with award on an all-or-none basis. No location for performance of services is specified.