The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-445-2181, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Government technical data includes 24 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-445-2181 |
| Primary Part Number | 900-21996 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Intake Connection Type | UNTHREADED EXTERNAL |
| Frequency in Hertz | 50.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Suction Lift | 33.000 FEET FT |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 230.0 |
| Prime Mover Quantity | 1 |
| Pump Quantity | 1 |
| Prime Mover Cooling Medium | AIR |
| Stage Quantity | 1 |
| Discharge Pressure | 50.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 28.0 GALLONS PER MINUTE |
| Discharge Connection Type | UNTHREADED EXTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, FRESH |
| Operation Relationship Design | SIMULTANEOUS |
| Mounting Type | BASE |
| Centrifugal Pump Design | MIXED FLOW |
| Total Head | 50.000 FEET FT |
| 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 |
|---|---|
| 900-21996 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc (USA) |
NSN 4320-01-445-2181 is a Pump Unit,centrifugal, manufactured by L3harris Maritime Power & Energy Solutions, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-445-2181 has 1 manufacturer part number on file: 900-21996 (L3harris Maritime Power & Energy Solutions, Inc).
Key specifications for 900-21996: Discharge Connection Quantity: 1; Phase: THREE; Intake Connection Type: UNTHREADED EXTERNAL; Frequency in Hertz: 50.0. 24 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.