The Pump,rotary, cataloged under National Stock Number 4320-00-412-1883, 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 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-412-1883 |
| Primary Part Number | LV-310-A |
| 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 | HORIZONTAL |
| Drive Shaft Length | 10.375 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity | 420.0 REVOLUTIONS PER MINUTE |
| Drive Shaft Type | MACHINE KEYWAY |
| Discharge Pressure | 00.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 90.0 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 1.438 INCHES NOMINAL IN |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Pump Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| 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 |
|---|---|
| LV-310-A PRIMARY | Viking Pump, Inc (USA) |
| Reference | Meaning |
|---|---|
| LQ32 | 5/9 Secondary reference Viking Pump, Inc |
| 5-3320-1121-001 | 5/9 Secondary reference Viking Pump, Inc |
| 30Z74 | 5/9 Secondary reference Astec Industries Inc Div Astec Ind. |
| 30Z74 | 5/9 Secondary reference Barber-Greene Co |
| 30Z74 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
NSN 4320-00-412-1883 is a Pump,rotary, manufactured by Viking Pump, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-412-1883 has 1 manufacturer part number on file: LV-310-A (Viking Pump, Inc).
1 possible match (shared part number, not a government interchangeability claim): 2910-00-821-2603. Verify interchangeability with system specifications before substitution.
Key specifications for LV-310-A: Discharge Connection Quantity: 1; Intake Connection Type: ROUND FLANGE; Pumping Element Operating Position: HORIZONTAL; Drive Shaft Length: 10.375 INCHES NOMINAL IN. 14 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.