The Pump,rotary, cataloged under National Stock Number 4320-00-064-7791, 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 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-064-7791 |
| Primary Part Number | 1515A9E |
| 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 | 2.000 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity | 2000.0 REVOLUTIONS PER MINUTE |
| Drive Shaft Type | MACHINE KEYWAY |
| Maximum Discharge Flow Rate | 15.0 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 0.624 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 | CLOCKWISE AND 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 |
|---|---|
| 1515A9E PRIMARY | David Brown Hydraulics Inc Dba Hydreco (USA) |
| 888316 | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 888316 | 5/9 Secondary reference Clark Equipment Co |
| 887854 | 5/9 Secondary reference Clark Equipment Co |
| 1515A9E4HL | 5/9 Secondary reference General Signal Corp |
NSN 4320-00-064-7791 is a Pump,rotary, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-064-7791 has 2 manufacturer part numbers on file: 1515A9E (David Brown Hydraulics Inc Dba Hydreco), 888316 (Dana Off Highway Products, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-539-1963. Verify interchangeability with system specifications before substitution.
Key specifications for 1515A9E: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Drive Shaft Length: 2.000 INCHES NOMINAL IN; Operating Speed at Rated Capacity: 2000.0 REVOLUTIONS PER MINUTE. 13 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.