The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-080-4550, 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11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-080-4550 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Centrifugal Pump Impeller Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Pump Quantity | 1 |
| Discharge Connection Thread Size and Series/type Designator | 2.000-11-1/2 NPT |
| Intake Connection Thread Size and Series/type Designator | 2.500-8 NPT |
| Stage Quantity | 1 |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Centrifugal Pump Design | MIXED FLOW |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GNC9-2-8 1/2ABSP | 3/2 Design control — primary reference U.S. Government activity |
| GNC9-2-8.50ABSP | 5/2 Secondary reference U.S. Government activity |
NSN 4320-01-080-4550 is a Pump Unit,centrifugal, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-080-4550: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Centrifugal Pump Impeller Quantity: 1; Centrifugal Pump Impeller Suction Type: SINGLE. 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.
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.