The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-873-8707, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4320-00-873-8707 |
| Primary Part Number | S25 W/1-1/4IN FLANGES |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Armstrong Pumps Inc |
| Status | CANCELLED |
| Prime Mover Quantity | 1 |
| Discharge Connection Quantity | 1 |
| Stage Quantity | 1 |
| Frequency in Hertz | 60.0 |
| Voltage in Volts | 115.0 |
| Prime Mover Power Rating | 0.084 HORSEPOWER |
| Phase | SINGLE |
| Maximum Discharge Flow Rate | 33.0 GALLONS PER MINUTE |
| Cooling Method | SELF VENTILATED |
| Total Head | 7.500 FEET FT |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Current Rating in Amps | 5.4 |
| Intake Connection Thread Size and Series/type Designator | 1.250-11-1/2 NPT |
| Prime Mover Type | ELECTRIC MOTOR |
| Operating Speed at Rated Capacity | 1750.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 1.250-11-1/2 NPT |
| Centrifugal Pump Impeller Quantity | 1 |
| Inclosure Type | OPEN |
| Centrifugal Pump Design | RADIAL FLOW |
| Environmental Protection | DRIPPROOF |
| Current Type | AC |
| Intake Connection Quantity | 1 |
| Pump Quantity | 1 |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Type | THREADED INTERNAL |
| Media for Which Designed | WATER, FRESH |
| Prime Mover Cooling Medium | AIR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S25 W/1-1/4IN.F | Armstrong Pumps Inc (USA) |
| UPS-15-42F | Grundfos Pumps Corp (USA) |
| SERIES100NFI W/1-1/4IN.FLANGES | Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA) |
| UPS15-42F U/1-1/4 IN FLANGE | Grundfos Pumps Corp (USA) |
| S25BR0NZE | Armstrong Pumps Inc (USA) |
| 110 W/1-1/4IN FLANGES | Taco Inc. Div Heat Transfer Products Division (USA) |
| 007-W1 1 1/4IN FLANGES | Taco Inc. Div Heat Transfer Products Division (USA) |
| 125 | Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA) |
| S25 W/1-1/4IN FLANGES PRIMARY | Armstrong Pumps Inc (USA) |
| 007 | Taco Inc. Div Heat Transfer Products Division (USA) |
NSN 4320-00-873-8707 is a Pump Unit,centrifugal, manufactured by Armstrong Pumps Inc, classified under FSC 4320 (No Item Name Available). Status: cancelled.
NSN 4320-00-873-8707 has 10 cross-referenced part numbers: S25 W/1-1/4IN.F (Armstrong Pumps Inc), UPS-15-42F (Grundfos Pumps Corp), SERIES100NFI W/1-1/4IN.FLANGES (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div), UPS15-42F U/1-1/4 IN FLANGE (Grundfos Pumps Corp), S25BR0NZE (Armstrong Pumps Inc) and 5 more.
There are 10 known substitutes for 4320-00-873-8707: 4730-00-213-0145, 3439-00-262-2648, 7530-00-295-6179 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for S25 W/1-1/4IN FLANGES: Prime Mover Quantity: 1; Discharge Connection Quantity: 1; Stage Quantity: 1; Frequency in Hertz: 60.0. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 4320-00-873-8707 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.