The Pump,rotary, cataloged under National Stock Number 4320-01-262-7556, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Heil Trailer International Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-262-7556 |
| Primary Part Number | D11AA2A |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Heil Trailer International Llc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Connection Type | FRICTION CLUTCH |
| Maximum Discharge Flow Rate | 5.0 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | CLOCKWISE |
| Operation Method | POWERED |
| 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 |
|---|---|
| D11AA2A PRIMARY | Heil Trailer International Llc (USA) |
| Reference | Meaning |
|---|---|
| AA11 | 5/9 Secondary reference Heil Trailer International Llc |
| 11AA2A | 5/9 Secondary reference Parker Hannifin Corporation Dba Hydraulic Pump/motor Duv Div Hydraulic Pump Division |
NSN 4320-01-262-7556 is a Pump,rotary, manufactured by Heil Trailer International Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-262-7556 has 1 manufacturer part number on file: D11AA2A (Heil Trailer International Llc).
Key specifications for D11AA2A: Discharge Connection Quantity: 1; Pumping Element Operating Position: HORIZONTAL; Drive Connection Type: FRICTION CLUTCH; Maximum Discharge Flow Rate: 5.0 GALLONS PER MINUTE. 9 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.