The Pump,rotary, cataloged under National Stock Number 4320-01-276-1441, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-276-1441 |
| Primary Part Number | E-4518 PC48 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | ROUND FLANGE |
| Pumping Element Operating Position | HORIZONTAL |
| Suction Lift | 9.100 FEET FT |
| Drive Connection Type | RIGID COUPLED |
| Operating Speed at Rated Capacity | 420.0 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 |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Mounting Type | BASE |
| 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 |
|---|---|
| E-4518 PC48 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| BXL-1-1/2NF-NHROV PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| E-4575 | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| Reference | Meaning |
|---|---|
| BXL1 1/2NF/E-45 | C/1 Advisory reference — outside the item-of-supply concept Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
NSN 4320-01-276-1441 is a Pump,rotary, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-276-1441 has 3 manufacturer part numbers on file: E-4518 PC48 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), BXL-1-1/2NF-NHROV (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4575 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
Key specifications for E-4518 PC48: Discharge Connection Quantity: 1; Intake Connection Type: ROUND FLANGE; Pumping Element Operating Position: HORIZONTAL; Suction Lift: 9.100 FEET FT. 15 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.