The Pump,centrifugal, cataloged under National Stock Number 4320-01-673-2137, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is C-B Tool Co Dba Lancaster Pump & Water Treatment Div Lancaster Pump & Water Treatment. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-673-2137 |
| Primary Part Number | 3-E50BH-3-3T |
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | C-B Tool Co Dba Lancaster Pump & Water Treatment Div Lancaster Pump & Water Treatment |
| Status | ACTIVE |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Connection Type | CLOSE COUPLED |
| Operating Speed at Rated Capacity | 3500.0 REVOLUTIONS PER MINUTE |
| Discharge Pressure | 50.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 50.0 GALLONS PER MINUTE |
| Total Head | 151.0 FEET FT |
| 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 |
|---|---|
| 3-E50BH-3-3T PRIMARY | C-B Tool Co Dba Lancaster Pump & Water Treatment Div Lancaster Pump & Water Treatment (USA) |
| Reference | Meaning |
|---|---|
| E50BH-3-3T | 5/9 Secondary reference C-B Tool Co Dba Lancaster Pump & Water Treatment Div Lancaster Pump & Water Treatment |
NSN 4320-01-673-2137 is a Pump,centrifugal, manufactured by C-B Tool Co Dba Lancaster Pump & Water Treatment Div Lancaster Pump & Water Treatment, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-673-2137 has 1 manufacturer part number on file: 3-E50BH-3-3T (C-B Tool Co Dba Lancaster Pump & Water Treatment Div Lancaster Pump & Water Treatment).
Key specifications for 3-E50BH-3-3T: Pumping Element Operating Position: HORIZONTAL; Drive Connection Type: CLOSE COUPLED; Operating Speed at Rated Capacity: 3500.0 REVOLUTIONS PER MINUTE; Discharge Pressure: 50.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES. 6 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.