The Pump,rotary, cataloged under National Stock Number 4320-01-439-0453, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-439-0453 |
| Primary Part Number | 3239529085 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division |
| Status | ACTIVE |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 1.620 INCHES NOMINAL IN |
| Drive Connection Type | RIGID COUPLED |
| Operating Speed at Rated Capacity | 2400.0 REVOLUTIONS PER MINUTE |
| Discharge Pressure | 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS AND 500.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Maximum Discharge Flow Rate | 51.0 GALLONS PER MINUTE AND 15.0 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 0.875 INCHES NOMINAL IN |
| Rotary Pump Design | GEAR |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | CLOCKWISE |
| 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 |
|---|---|
| 3239529085 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA) |
| 8440232 | Jlg Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8440232 | 5/9 Secondary reference Trak International |
| 323 9529 085 | 3/9 Design control — primary reference Parker Hannifin Corporation Div Cylinder Division |
| 32395290854 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Gear Pump Division Div Gear Pump Division |
NSN 4320-01-439-0453 is a Pump,rotary, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-439-0453 has 2 manufacturer part numbers on file: 3239529085 (Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division), 8440232 (Jlg Industries, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-451-6357, 5330-01-686-5060. Verify interchangeability with system specifications before substitution.
Key specifications for 3239529085: Pumping Element Operating Position: HORIZONTAL; Drive Shaft Length: 1.620 INCHES NOMINAL IN; Drive Connection Type: RIGID COUPLED; Operating Speed at Rated Capacity: 2400.0 REVOLUTIONS PER MINUTE. 11 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.