The Pump Unit,rotary, cataloged under National Stock Number 4320-01-260-3303, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Viking Pump, Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-260-3303 |
| Primary Part Number | BA1331-1 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Viking Pump, Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | ROUND FLANGE |
| Inclosure Type | FULLY INCLOSED |
| Pumping Element Operating Position | VERTICAL |
| Prime Mover Power Rating | 0.250 HORSEPOWER |
| Voltage in Volts | 115.0 |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 1750.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Prime Mover Cooling Medium | AIR |
| Discharge Pressure | 5.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 3.5 GALLONS PER MINUTE |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| 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 |
|---|---|
| BA1331-1 PRIMARY | Viking Pump, Inc (USA) |
| Reference | Meaning |
|---|---|
| 1331-1REV.A | 5/9 Secondary reference Viking Pump, Inc |
NSN 4320-01-260-3303 is a Pump Unit,rotary, manufactured by Viking Pump, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-260-3303 has 1 manufacturer part number on file: BA1331-1 (Viking Pump, Inc).
Key specifications for BA1331-1: Discharge Connection Quantity: 1; Intake Connection Type: ROUND FLANGE; Inclosure Type: FULLY INCLOSED; Pumping Element Operating Position: VERTICAL. 16 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.