The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-345-5682, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Evac North America Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-345-5682 |
| Primary Part Number | 3999069 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Evac North America Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Operating Position | HORIZONTAL |
| Centrifugal Pump Impeller Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Operating Speed at Rated Capacity | 3450.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Stage Quantity | 1 |
| Discharge Pressure | 4.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 125.0 GALLONS PER MINUTE |
| Centrifugal Pump Design | RADIAL FLOW |
| 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 |
|---|---|
| 3999069 PRIMARY | Evac North America Inc (USA) |
| 3900095 IT 7 | Envirovac Inc Dba Monogram Systems-Rockford Div (USA) |
| Reference | Meaning |
|---|---|
| 3999069 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
NSN 4320-01-345-5682 is a Pump Unit,centrifugal, manufactured by Evac North America Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-345-5682 has 2 manufacturer part numbers on file: 3999069 (Evac North America Inc), 3900095 IT 7 (Envirovac Inc Dba Monogram Systems-Rockford Div).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-610-6726. Verify interchangeability with system specifications before substitution.
Key specifications for 3999069: Discharge Connection Quantity: 1; Pumping Element Operating Position: HORIZONTAL; Centrifugal Pump Impeller Quantity: 1; Centrifugal Pump Impeller Suction Type: SINGLE. 10 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.