The Pump Unit,axial Pistons, cataloged under National Stock Number 4320-01-184-4287, 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 Hydraulic Pump Division. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-184-4287 |
| Primary Part Number | M13-21887-D |
| Item Name | Pump Unit,axial Pistons |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | PISTON |
| Intake Connection Type | RECTANGULAR FLANGE |
| Reciprocating Stroke Type | VARIABLE |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 1200.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Pump Reciprocating Design | SINGLE ACTING |
| Discharge Pressure | 500.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Cylinder Quantity | 7 |
| Maximum Discharge Flow Rate | 53.0 GALLONS PER MINUTE |
| Discharge Connection Type | RECTANGULAR FLANGE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| 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 |
|---|---|
| M13-21887-D PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| Reference | Meaning |
|---|---|
| M13-21887 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
NSN 4320-01-184-4287 is a Pump Unit,axial Pistons, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-184-4287 has 1 manufacturer part number on file: M13-21887-D (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
Key specifications for M13-21887-D: Discharge Connection Quantity: 1; Pumping Element Type: PISTON; Intake Connection Type: RECTANGULAR FLANGE; Reciprocating Stroke Type: VARIABLE. 15 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.