The Pump Unit,rotary, cataloged under National Stock Number 4320-01-613-2494, 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 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-613-2494 |
| Primary Part Number | E-4731 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Prime Mover Power Rating | 2.0 HORSEPOWER |
| Operating Speed at Rated Capacity | 350.0 REVOLUTIONS PER MINUTE AND 1800.0 REVOLUTIONS PER MINUTE |
| Maximum Discharge Flow Rate | 27.0 GALLONS PER MINUTE |
| 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-4731 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
NSN 4320-01-613-2494 is a Pump Unit,rotary, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-613-2494 has 1 manufacturer part number on file: E-4731 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
Key specifications for E-4731: Prime Mover Power Rating: 2.0 HORSEPOWER; Operating Speed at Rated Capacity: 350.0 REVOLUTIONS PER MINUTE AND 1800.0 REVOLUTIONS PER MINUTE; Special Features: POSITIVE DISPLACEMENT, MOTOR DRIVEN, 40 PSIG MAX; Maximum Discharge Flow Rate: 27.0 GALLONS PER MINUTE. 3 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.