The Pump,rotary, cataloged under National Stock Number 4320-01-020-2585, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-020-2585 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Drive Connection Type | GEAR |
| Drive Shaft Type | SPLINED, STRAIGHT EXTERNAL |
| Volume Control Type | ROTARY |
| Drive Shaft End Diameter | 0.403 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Rotary Pump Design | GEAR |
| Intake Connection Quantity | 4 |
| Media for Which Designed | OIL |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG1NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 5019T02P02 | 5/9 Secondary reference U.S. Government activity |
| GD-244-8 | 5/9 Secondary reference U.S. Government activity |
| 5039T69P01 | 1/3 Source control — Government-approved source U.S. Government activity |
| 5040T27P01 | 5/9 Secondary reference U.S. Government activity |
| GD-244-7 | 3/3 Design control — primary reference U.S. Government activity |
| GD-244-5 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-01-020-2585 is a Pump,rotary, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-020-2585: Discharge Connection Quantity: 1; Drive Connection Type: GEAR; Drive Shaft Type: SPLINED, STRAIGHT EXTERNAL; Volume Control Type: ROTARY. 11 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 4320-01-020-2585 has DEMIL Code Q. 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.