The Pump,rotary, cataloged under National Stock Number 4320-01-355-0520, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-355-0520 |
| Primary Part Number | HP308-AA2-2A |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Connection Type | CLOSE COUPLED |
| Operating Speed at Rated Capacity | 3450.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 0.625-18 NPT |
| Intake Connection Thread Size and Series/type Designator | 3/4-16 NPT |
| Discharge Pressure | 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Maximum Discharge Flow Rate | 3.91 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Media for Which Designed | GLYCERINE |
| Pump Rotation Direction | CLOCKWISE |
| Mounting Type | FLANGE |
| Operation Method | POWERED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HP308-AA2-2A PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| P308-AA2-A2 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 334870P02 | 5/9 Secondary reference Howden Fluid Systems |
| 334870P02 | 5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| 334870P02 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| P308-AA2-A2 | 5/9 Secondary reference Howden Fluid Systems |
NSN 4320-01-355-0520 is a Pump,rotary, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-355-0520 has 1 manufacturer part number on file: HP308-AA2-2A (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
Key specifications for HP308-AA2-2A: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL; Drive Connection Type: CLOSE COUPLED. 16 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.
NSN 4320-01-355-0520 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.