The Pump,axial Pistons, cataloged under National Stock Number 4320-01-371-4409, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-371-4409 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | PISTON |
| Intake Connection Type | RECTANGULAR FLANGE |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 1.500 INCHES NOMINAL IN |
| Drive Connection Type | RIGID COUPLED |
| Unpackaged Unit Length | 10.160 INCHES NOMINAL IN |
| Supplementary Features | DISCHARGING PUMP 350.0PSI; 0.69CU IN./REV; INLET PORT 1.0625-12NPT |
| Reciprocating Stroke Type | VARIABLE |
| Operating Speed at Rated Capacity | 5000.0 REVOLUTIONS PER MINUTE |
| Pump Reciprocating Design | SINGLE ACTING |
| Unpackaged Unit Width | 7.7300 INCHES NOMINAL IN |
| Drive Shaft Type | SPLINED, INVOLUTE EXTERNAL |
| Unpackaged Unit Height | 8.820 INCHES NOMINAL IN |
| Volume Control Type | SERVO PISTON |
| Discharge Pressure | 200.0 COMPREHENSIVE PROCUREMENT GUIDELINE - VEHICULAR PRODUCTS - REBUILT VEHICULAR PARTS |
| Cylinder Quantity | 9 |
| Maximum Discharge Flow Rate | 55.41 GALLONS PER MINUTE |
| Discharge Connection Type | RECTANGULAR FLANGE |
| Intake Connection Quantity | 1 |
| Material | STEEL PUMP BASIC |
| 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 |
| Reference | Meaning |
|---|---|
| 90R042EC1N8P4C3B00NNN202024 | 5/9 Secondary reference Sauer-Sundstrand Hydro-Transmission Div |
| 90R042EA1N8P4C3B00NNN202024 | 5/9 Secondary reference Sauer-Sundstrand Hydro-Transmission Div |
| 93-2254 | 3/9 Design control — primary reference Sauer-Sundstrand Hydro-Transmission Div |
NSN 4320-01-371-4409 is a Pump,axial Pistons, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-371-4409: Discharge Connection Quantity: 1; Pumping Element Type: PISTON; Intake Connection Type: RECTANGULAR FLANGE; Pumping Element Operating Position: HORIZONTAL. 23 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.