The Pump,axial Pistons, cataloged under National Stock Number 4320-01-445-1637, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Afp Industries, Inc. Dba Afp Industries Inc. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-445-1637 |
| Primary Part Number | 40NNS551 ITEM 3.0 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Afp Industries, Inc. Dba Afp Industries Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | PISTON |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 1.940 INCHES NOMINAL IN |
| Drive Connection Type | RIGID COUPLED |
| Reciprocating Stroke Type | VARIABLE |
| Operating Speed at Rated Capacity | 3000.0 REVOLUTIONS PER MINUTE |
| Pump Reciprocating Design | SINGLE ACTING |
| Control Location | RIGHT SIDE |
| Discharge Connection Thread Size and Series/type Designator | 1.625-12 UN |
| Drive Shaft Type | KEY TYPE, EXTERNAL |
| Intake Connection Thread Size and Series/type Designator | 1.625-12 UN |
| Volume Control Type | PRESSURE COMPENSATION |
| Discharge Pressure | 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Cylinder Quantity | 9 |
| Maximum Discharge Flow Rate | 26.2 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 0.875 INCHES NOMINAL IN |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Mounting Type | FLANGE |
| 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 |
|---|---|
| 40NNS551 ITEM 3.0 | Afp Industries, Inc. Dba Afp Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| PVP3330LVM | 3/9 Design control — primary reference U.S. Government activity |
NSN 4320-01-445-1637 is a Pump,axial Pistons, manufactured by Afp Industries, Inc. Dba Afp Industries Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-445-1637 has 1 manufacturer part number on file: 40NNS551 ITEM 3.0 (Afp Industries, Inc. Dba Afp Industries Inc).
Key specifications for 40NNS551 ITEM 3.0: Discharge Connection Quantity: 1; Pumping Element Type: PISTON; Intake Connection Type: THREADED INTERNAL; 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.