TM 5-4320-256-14. Operator, Organizational, Direct Support and General Support Maintenance Manual Including Repair Parts and Special Tools PUMP ASSEMBLY, FLAMMABLE, LIQUID, CENTRIFUGAL, SELF-PRIMING, GED, 2-IN. 100 GPM (AMERICAN AIR FILTER INC MODEL FARE 3950), NSN 4320-00-427-0002.