The Pump Unit,rotary, cataloged under National Stock Number 4320-01-445-0453, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-445-0453 |
| Primary Part Number | 3X2X2-1/2 CAM 6999-3X2XCAM-004 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Prime Mover Power Rating | 15.0 HORSEPOWER |
| Voltage in Volts | 440.0 |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 262.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Prime Mover Cooling Medium | AIR |
| Maximum Discharge Flow Rate | 25.0 GALLONS PER MINUTE |
| Rotary Pump Design | CAM AND PISTON |
| Prime Mover Type | ELECTRIC MOTOR |
| Operation Relationship Design | SIMULTANEOUS |
| Current Rating in Amps | 14.7 |
| 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 |
|---|---|
| 3X2X2-1/2 CAM 6999-3X2XCAM-004 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| D-4503 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
NSN 4320-01-445-0453 is a Pump Unit,rotary, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-445-0453 has 1 manufacturer part number on file: 3X2X2-1/2 CAM 6999-3X2XCAM-004 (Circor Naval Solutions Llc Dba Warren Pumps).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-633-0206. Verify interchangeability with system specifications before substitution.
Key specifications for 3X2X2-1/2 CAM 6999-3X2XCAM-004: Phase: THREE; Frequency in Hertz: 60.0; Current Type: AC; Prime Mover Power Rating: 15.0 HORSEPOWER. 14 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.