The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-156-9985, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Little Giant Pump Co. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-156-9985 |
| Primary Part Number | 500286 1-AT |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Little Giant Pump Co |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Intake Connection Type | BELL MOUTH |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | VERTICAL |
| Prime Mover Power Rating | 0.005 HORSEPOWER |
| Unpackaged Unit Length | 4.125 INCHES NOMINAL IN |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 115.0 |
| Cooling Method | WATER-AIR COOLED |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Pump Quantity | 1 |
| Unpackaged Unit Width | 4.1250 INCHES NOMINAL IN |
| Features Provided | SELF-PRIMING |
| Discharge Connection Thread Size and Series/type Designator | 0.250-18 NPT |
| Prime Mover Cooling Medium | AIR AND OIL AND WATER, FRESH |
| Unpackaged Unit Height | 4.250 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Discharge Pressure | .6 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Environmental Protection | SUBMERSIBLE |
| Maximum Discharge Flow Rate | 2.8 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED EXTERNAL |
| Intake Connection Quantity | 1 |
| Material | PLASTIC PUMP BASIC |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, FRESH |
| 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 |
|---|---|
| 1-AT | Little Giant Pump Co (USA) |
| 500286 | Little Giant Pump Co (USA) |
| 500286 1-AT PRIMARY | Little Giant Pump Co (USA) |
NSN 4320-01-156-9985 is a Pump Unit,centrifugal, manufactured by Little Giant Pump Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-156-9985 has 3 manufacturer part numbers on file: 1-AT (Little Giant Pump Co), 500286 (Little Giant Pump Co), 500286 1-AT (Little Giant Pump Co).
Key specifications for 500286 1-AT: Discharge Connection Quantity: 1; Phase: SINGLE; Intake Connection Type: BELL MOUTH; Frequency in Hertz: 60.0. 29 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.