The Pump,rotary, cataloged under National Stock Number 4320-01-121-8071, 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 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-121-8071 |
| Primary Part Number | 4-1487-2945-525 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Viking Pump, Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | ROUND FLANGE |
| Pumping Element Operating Position | VERTICAL |
| Drive Shaft Length | 1.620 INCHES NOMINAL IN |
| Drive Connection Type | GEAR |
| Operating Speed at Rated Capacity | 1800.0 REVOLUTIONS PER MINUTE |
| Drive Shaft Type | PLAIN ROUND |
| Discharge Pressure | 00.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 20.0 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 0.750 INCHES NOMINAL IN |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Media for Which Designed | OIL |
| Pump Rotation Direction | CLOCKWISE |
| Operation Method | POWERED |
| 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 |
|---|---|
| 4-1487-2945-503 | Viking Pump, Inc (USA) |
| HJ493M | Viking Pump, Inc (USA) |
| 4-1487-2945-525 PRIMARY | Viking Pump, Inc (USA) |
| Reference | Meaning |
|---|---|
| HJ93M | 5/9 Secondary reference Viking Pump, Inc |
NSN 4320-01-121-8071 is a Pump,rotary, manufactured by Viking Pump, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-121-8071 has 3 manufacturer part numbers on file: 4-1487-2945-503 (Viking Pump, Inc), HJ493M (Viking Pump, Inc), 4-1487-2945-525 (Viking Pump, Inc).
Key specifications for 4-1487-2945-525: Discharge Connection Quantity: 1; Intake Connection Type: ROUND FLANGE; Pumping Element Operating Position: VERTICAL; Drive Shaft Length: 1.620 INCHES NOMINAL IN. 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.