The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-287-4274, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Armstrong Pumps Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4320-00-287-4274 |
| Primary Part Number | H32-1-1/2 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Armstrong Pumps Inc |
| Status | CANCELLED |
| Current Type | AC |
| Stage Quantity | 1 |
| Intake Connection Type | ROUND FLANGE |
| Prime Mover Type | ELECTRIC MOTOR |
| Maximum Discharge Flow Rate | 47.0 GALLONS PER MINUTE |
| Centrifugal Pump Design | RADIAL FLOW |
| Pumping Element Operating Position | HORIZONTAL |
| Inclosure Type | OPEN |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Cooling Method | AIR TO AIR COOLED |
| Frequency in Hertz | 60.0 |
| Phase | SINGLE |
| Operating Speed at Rated Capacity | 1725.0 REVOLUTIONS PER MINUTE |
| Voltage in Volts | 115.0 |
| Centrifugal Pump Impeller Quantity | 1 |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Prime Mover Quantity | 1 |
| Media for Which Designed | WATER, FRESH |
| Pump Quantity | 1 |
| Discharge Connection Quantity | 1 |
| Prime Mover Cooling Medium | AIR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H32-1-1/2 | Armstrong Pumps Inc (USA) |
| HV1 1-2 | Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA) |
| HV1 1-2 | Itt Marlow a Unit of Itt Pumps and Compressors Div (USA) |
| E | Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA) |
| HVNFI W/1-1/2IN.FLGS | Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA) |
NSN 4320-00-287-4274 is a Pump Unit,centrifugal, manufactured by Armstrong Pumps Inc, classified under FSC 4320 (No Item Name Available). Status: cancelled.
NSN 4320-00-287-4274 has 5 cross-referenced part numbers: H32-1-1/2 (Armstrong Pumps Inc), HV1 1-2 (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div), HV1 1-2 (Itt Marlow a Unit of Itt Pumps and Compressors Div), E (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div), HVNFI W/1-1/2IN.FLGS (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div).
There are 12 known substitutes for 4320-00-287-4274: 5910-00-191-9965, 3433-00-238-3389, 5910-00-280-7046 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for H32-1-1/2: Current Type: AC; Stage Quantity: 1; Intake Connection Type: ROUND FLANGE; Prime Mover Type: ELECTRIC MOTOR. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 4320-00-287-4274 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.