The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-178-8484, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is March Manufacturing, Inc. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-178-8484 |
| Primary Part Number | AB-2F |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | March Manufacturing, Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Intake Connection Type | UNTHREADED INTERNAL |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 0.030 HORSEPOWER |
| Unpackaged Unit Length | 11.625 INCHES NOMINAL IN |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 115.0 |
| Cooling Method | AIR TO AIR COOLED |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Operating Speed at Rated Capacity | 3000.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Unpackaged Unit Width | 5.2500 INCHES NOMINAL IN |
| Features Provided | SELF-PRIMING |
| Discharge Connection Thread Size and Series/type Designator | 0.250-18 NPT |
| Prime Mover Cooling Medium | AIR |
| Unpackaged Unit Height | 7.625 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Discharge Pressure | .4 LOW VOLATILE ORGANIC COMPOUND - SOLVENTS - SOLVENTS |
| Maximum Discharge Flow Rate | 1.25 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Material | PLASTIC PUMP BASIC |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, FRESH |
| Operation Relationship Design | SIMULTANEOUS |
| 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 |
|---|---|
| AB-2F PRIMARY | March Manufacturing, Inc (USA) |
| Reference | Meaning |
|---|---|
| 512A1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4320-01-178-8484 is a Pump Unit,centrifugal, manufactured by March Manufacturing, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-178-8484 has 1 manufacturer part number on file: AB-2F (March Manufacturing, Inc).
Key specifications for AB-2F: Discharge Connection Quantity: 1; Phase: SINGLE; Intake Connection Type: UNTHREADED INTERNAL; Frequency in Hertz: 50.0 AND 60.0. 30 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.