The Pump,centrifugal, cataloged under National Stock Number 4320-01-164-9250, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-164-9250 |
| Primary Part Number | 3-1/2X5 10N |
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | RECTANGULAR FLANGE |
| Pumping Element Operating Position | HORIZONTAL |
| Centrifugal Pump Impeller Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Discharge Connection Type | RECTANGULAR FLANGE |
| Intake Connection Quantity | 1 |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Centrifugal Pump Design | RADIAL FLOW |
| 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 |
|---|---|
| 3-1/2X4-1/2GNC-10 | Carver Pump Company (USA) |
| 3-1/2X5 10N PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 6DCS327 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 3-1/2X5 10N | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 3-1/2X4-1/2GNC-10 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
NSN 4320-01-164-9250 is a Pump,centrifugal, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-164-9250 has 2 manufacturer part numbers on file: 3-1/2X4-1/2GNC-10 (Carver Pump Company), 3-1/2X5 10N (Carver Pump Company).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-221-5743. Verify interchangeability with system specifications before substitution.
Key specifications for 3-1/2X5 10N: Discharge Connection Quantity: 1; Intake Connection Type: RECTANGULAR FLANGE; Pumping Element Operating Position: HORIZONTAL; Centrifugal Pump Impeller Quantity: 1. 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.