The Pump,rotary, cataloged under National Stock Number 4320-01-280-5280, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is David Brown Hydraulics Inc Dba Hydreco. Government technical data includes 17 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 | 4320-01-280-5280 |
| Primary Part Number | 1919A3B1L |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | David Brown Hydraulics Inc Dba Hydreco |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Drive Shaft Length | 1.641 INCHES NOMINAL IN |
| Drive Connection Type | GEAR |
| Operating Speed at Rated Capacity | 3000.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 1.875-12 UN |
| Drive Shaft Type | KEY TYPE, EXTERNAL |
| Intake Connection Thread Size and Series/type Designator | 1.875-12 UN |
| Discharge Pressure | 500.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 4.53 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 1.000 INCHES NOMINAL IN |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| 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 |
|---|---|
| 1919A3B1L PRIMARY | David Brown Hydraulics Inc Dba Hydreco (USA) |
NSN 4320-01-280-5280 is a Pump,rotary, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-280-5280 has 1 manufacturer part number on file: 1919A3B1L (David Brown Hydraulics Inc Dba Hydreco).
Key specifications for 1919A3B1L: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Drive Shaft Length: 1.641 INCHES NOMINAL IN; Drive Connection Type: GEAR. 17 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.