The Pump,axial Pistons, cataloged under National Stock Number 4320-01-202-3549, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hartmann Controls, Inc Div Hartmann Controls. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-202-3549 |
| Primary Part Number | PV321R-AB2-A1 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Hartmann Controls, Inc Div Hartmann Controls |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | PISTON |
| Drive Connection Type | RIGID COUPLED |
| Reciprocating Stroke Type | VARIABLE |
| Operating Speed at Rated Capacity | 2400.0 REVOLUTIONS PER MINUTE |
| Pump Reciprocating Design | SINGLE ACTING |
| Discharge Connection Thread Size and Series/type Designator | 0.500-14 NPT |
| Drive Shaft Type | KEY TYPE, EXTERNAL |
| Volume Control Type | PRESSURE COMPENSATION |
| Discharge Pressure | 000.0 COMPREHENSIVE PROCUREMENT GUIDELINE - VEHICULAR PRODUCTS - REBUILT VEHICULAR PARTS |
| Cylinder Quantity | 1 |
| Maximum Discharge Flow Rate | 33.3 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED INTERNAL |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | CLOCKWISE |
| 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 |
|---|---|
| PV321R-AB2-A1 PRIMARY | Hartmann Controls, Inc Div Hartmann Controls (USA) |
| Reference | Meaning |
|---|---|
| PV32/R-AB2-A1 | C/1 Advisory reference — outside the item-of-supply concept Collins Engine Nozzles, Inc |
NSN 4320-01-202-3549 is a Pump,axial Pistons, manufactured by Hartmann Controls, Inc Div Hartmann Controls, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-202-3549 has 1 manufacturer part number on file: PV321R-AB2-A1 (Hartmann Controls, Inc Div Hartmann Controls).
Key specifications for PV321R-AB2-A1: Discharge Connection Quantity: 1; Pumping Element Type: PISTON; Drive Connection Type: RIGID COUPLED; 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.