The Pump,axial Pistons, cataloged under National Stock Number 4320-01-376-7089, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-376-7089 |
| Primary Part Number | R978835343 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | PISTON |
| Intake Connection Type | RECTANGULAR FLANGE AND THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 1.000 INCHES NOMINAL IN |
| Reciprocating Stroke Type | VARIABLE |
| Operating Speed at Rated Capacity | 3200.0 REVOLUTIONS PER MINUTE |
| Pump Reciprocating Design | SINGLE ACTING |
| Discharge Connection Thread Size and Series/type Designator | 1.625-12 UN |
| Drive Shaft Type | KEY TYPE, INTERNAL |
| Intake Connection Thread Size and Series/type Designator | 1.625-12 UN |
| Volume Control Type | HYDRAULIC CYLINDER |
| Cylinder Quantity | 1 |
| Maximum Discharge Flow Rate | 21.0 GALLONS PER MINUTE |
| Discharge Connection Type | RECTANGULAR FLANGE AND THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| 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 |
|---|---|
| R978835343 PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
| AA10VSO28DR/31R-PKC61N00-S | Neogenerations, Devices and Technologies Inc. Dba Atlas Equipment Sales (USA) |
| 1378AS153-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 835343 | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
| US00835343 | 3/9 Design control — primary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
| AA10VSO28DR/31R-PKC61N00-S | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
NSN 4320-01-376-7089 is a Pump,axial Pistons, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-376-7089 has 3 manufacturer part numbers on file: R978835343 (Bosch Rexroth Corporation Div Industrial Hydraulics), AA10VSO28DR/31R-PKC61N00-S (Neogenerations, Devices and Technologies Inc. Dba Atlas Equipment Sales), 1378AS153-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for R978835343: Discharge Connection Quantity: 1; Pumping Element Type: PISTON; Intake Connection Type: RECTANGULAR FLANGE AND THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL. 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.