The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-421-4318, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Pentair Pump Group, Inc. Dba Fairbanks Morse Pump. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-421-4318 |
| Primary Part Number | 99F1-1-2DT |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| Status | ACTIVE |
| Discharge Connection Quantity | 2 |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 20.000 HORSEPOWER |
| Unpackaged Unit Length | 33.800 INCHES NOMINAL IN |
| Centrifugal Pump Impeller Quantity | 2 |
| Voltage in Volts | 440.0 |
| Cooling Method | SELF VENTILATED |
| Prime Mover Quantity | 2 |
| Operating Speed at Rated Capacity | 3560.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 2 |
| Unpackaged Unit Width | 17.7000 INCHES NOMINAL IN |
| Prime Mover Cooling Medium | AIR |
| Unpackaged Unit Height | 15.700 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Discharge Pressure | 00.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Environmental Protection | SUBMERSIBLE |
| Maximum Discharge Flow Rate | 80.0 GALLONS PER MINUTE |
| Intake Connection Quantity | 2 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | ETHYLENE GLYCOL |
| Operation Relationship Design | SIMULTANEOUS |
| Mounting Type | BASE |
| Centrifugal Pump Design | RADIAL FLOW |
| Total Head | 214.500 FEET FT |
| Current Rating in Amps | 25.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 99F1-1-2DT PRIMARY | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
NSN 4320-00-421-4318 is a Pump Unit,centrifugal, manufactured by Pentair Pump Group, Inc. Dba Fairbanks Morse Pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-421-4318 has 1 manufacturer part number on file: 99F1-1-2DT (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump).
Key specifications for 99F1-1-2DT: Discharge Connection Quantity: 2; Phase: THREE; Frequency in Hertz: 60.0; Inclosure Type: FULLY INCLOSED. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.