The Pump,rotary, cataloged under National Stock Number 4320-01-021-9945, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Harlan Tractor Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-021-9945 |
| Primary Part Number | 00700990338 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Harlan Tractor Co |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Drive Shaft Length | 2.500 INCHES NOMINAL IN |
| Drive Connection Type | GEAR |
| Drive Shaft Type | SPLINED, INVOLUTE EXTERNAL |
| Rotary Pump Design | GEAR |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| 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 |
|---|---|
| 007990338 | Brighton Cromwell Llc (USA) |
| 00700990338 PRIMARY | Harlan Tractor Co (USA) |
| 7-990338 | Brighton Cromwell Llc (USA) |
| Reference | Meaning |
|---|---|
| R070990338 | 5/9 Secondary reference Harlan Tractor Co |
| 990338 | 5/9 Secondary reference Clark Equipment Co |
| 7-990338 | 5/9 Secondary reference Ar Bee Corp |
| 007990338 | 5/9 Secondary reference Ar Bee Corp |
NSN 4320-01-021-9945 is a Pump,rotary, manufactured by Harlan Tractor Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-021-9945 has 3 manufacturer part numbers on file: 007990338 (Brighton Cromwell Llc), 00700990338 (Harlan Tractor Co), 7-990338 (Brighton Cromwell Llc).
Key specifications for 00700990338: Discharge Connection Quantity: 1; Drive Shaft Length: 2.500 INCHES NOMINAL IN; Drive Connection Type: GEAR; Drive Shaft Type: SPLINED, INVOLUTE EXTERNAL. 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.