The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-055-4059, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-055-4059 |
| Primary Part Number | S45-2.5IN-STD |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Armstrong Pumps Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Stage Quantity | 1 |
| Pump Quantity | 1 |
| Centrifugal Pump Design | RADIAL FLOW |
| Prime Mover Power Rating | 0.250 HORSEPOWER |
| Frequency in Hertz | 60.0 |
| Cooling Method | AIR TO AIR COOLED |
| Phase | SINGLE |
| Voltage in Volts | 115.0 |
| Centrifugal Pump Impeller Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Pumping Element Operating Position | HORIZONTAL |
| Operating Speed at Rated Capacity | 1750.0 REVOLUTIONS PER MINUTE |
| Inclosure Type | FULLY INCLOSED |
| Maximum Discharge Flow Rate | 100.0 GALLONS PER MINUTE |
| Prime Mover Type | ELECTRIC MOTOR |
| Discharge Pressure | 25.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Total Head | 5.000 FEET FT |
| Intake Connection Quantity | 1 |
| Current Type | AC |
| Mounting Type | FRAME |
| Media for Which Designed | WATER, FRESH |
| Intake Connection Type | OVAL FLANGE |
| Prime Mover Quantity | 1 |
| Prime Mover Cooling Medium | AIR |
| Discharge Connection Type | OVAL FLANGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S45,2.5 IN | Armstrong Pumps Inc (USA) |
| SIZE2 1-2 | Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA) |
| 102218 | Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA) |
| S45-2.5IN-STD PRIMARY | Armstrong Pumps Inc (USA) |
| S-45 | Armstrong Pumps Inc (USA) |
| 2-1-2 | Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA) |
NSN 4320-01-055-4059 is a Pump Unit,centrifugal, manufactured by Armstrong Pumps Inc, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-055-4059 has 6 cross-referenced part numbers: S45,2.5 IN (Armstrong Pumps Inc), SIZE2 1-2 (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div), 102218 (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div), S45-2.5IN-STD (Armstrong Pumps Inc), S-45 (Armstrong Pumps Inc) and 1 more.
There are 10 known substitutes for 4320-01-055-4059: 6240-00-050-4520, 5940-00-089-8698, 5310-00-209-0965 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for S45-2.5IN-STD: Discharge Connection Quantity: 1; Stage Quantity: 1; Pump Quantity: 1; Centrifugal Pump Design: RADIAL FLOW. 26 total characteristics are documented in the Federal Logistics Information System.