The Pump Unit,rotary, cataloged under National Stock Number 4320-00-787-2073, 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 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-787-2073 |
| Primary Part Number | E3496 |
| 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 |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 1.300 HORSEPOWER |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 750.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH GAUGE (PSIG) NOMINAL POWER DRIVE LBS |
| Discharge Connection Thread Size and Series/type Designator | 1.250-11-1/2 NPT |
| Intake Connection Thread Size and Series/type Designator | 1.250-11-1/2 NPT |
| Discharge Pressure | 5.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 25.0 GALLONS PER MINUTE |
| Rotary Pump Design | VANE |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | PNEUMATIC MOTOR |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Mounting Type | BASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4320-00-787-2073 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 4320-00-787-2073 has 2 manufacturer part numbers on file: E3496 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E3496 (Naval Inventory Control Point Mechanicsburg).
Key specifications for E3496: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL; Prime Mover Power Rating: 1.300 HORSEPOWER. 18 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.