The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-287-4036, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Espar Products Inc. Government technical data includes 25 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 | 4320-01-287-4036 |
| Primary Part Number | P 251655 25 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Espar Products Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | UNTHREADED INTERNAL |
| Inclosure Type | FULLY INCLOSED |
| Current Type | DC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 30.0 WATTS |
| Unpackaged Unit Length | 174.0 MILLIMETERS NOMINAL MM |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 12.0 |
| Cooling Method | AIR TO AIR COOLED |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Pump Quantity | 1 |
| Unpackaged Unit Width | 70.0 MILLIMETERS NOMINAL MM |
| Prime Mover Cooling Medium | AIR |
| Unpackaged Unit Height | 77.0 MILLIMETERS NOMINAL MM |
| Stage Quantity | 1 |
| Maximum Discharge Flow Rate | 30.0 LITERS PER MINUTE |
| Discharge Connection Type | UNTHREADED EXTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, FRESH |
| Mounting Type | BASE |
| Centrifugal Pump Design | MIXED FLOW |
| Current Rating in Amps | 2.5 |
| 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 |
|---|---|
| P 251655 25 PRIMARY | Espar Products Inc (CAN) |
NSN 4320-01-287-4036 is a Pump Unit,centrifugal, manufactured by Espar Products Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-287-4036 has 1 manufacturer part number on file: P 251655 25 (Espar Products Inc).
Key specifications for P 251655 25: Discharge Connection Quantity: 1; Intake Connection Type: UNTHREADED INTERNAL; Inclosure Type: FULLY INCLOSED; Current Type: DC. 25 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.