The Pump,centrifugal, cataloged under National Stock Number 4320-00-821-1765, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is WS Darley & Co Div Ohler Pump. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-821-1765 |
| Primary Part Number | 7220 |
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | WS Darley & Co Div Ohler Pump |
| Status | ACTIVE |
| Total Head | 300.000 FEET FT |
| Pumping Element Operating Position | VERTICAL |
| Intake Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Drive Shaft Length | 9.710 INCHES MINIMUM AND 9.790 INCHES MAXIMUM IN |
| Intake Connection Thread Size and Series/type Designator | 2.000-11-1/2 NPT |
| Drive Shaft End Diameter | 0.873 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Discharge Connection Thread Size and Series/type Designator | 2.000-11-1/2 NPT |
| Drive Shaft Type | WOODRUFF KEYWAY |
| Discharge Connection Quantity | 1 |
| Suction Lift | 15.000 FEET FT |
| Maximum Discharge Flow Rate | 100.0 GALLONS PER MINUTE |
| Drive Connection Type | FRICTION CLUTCH |
| Discharge Pressure | 40.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Centrifugal Pump Impeller Quantity | 1 |
| Pump Rotation Direction | CLOCKWISE |
| Operating Speed at Rated Capacity | 4400.0 REVOLUTIONS PER MINUTE |
| Stage Quantity | 1 |
| Media for Which Designed | WATER, FRESH |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Discharge Connection Type | THREADED INTERNAL |
| Centrifugal Pump Design | RADIAL FLOW |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7220 PRIMARY | WS Darley & Co Div Ohler Pump (USA) |
| D43870 | Davey Compressor Co Div of Keco Industries Inc (USA) |
| E5-45-2835 | Edgewood Chemical Biological Center Ecbc (USA) |
| 77209 | WS Darley & Co Div Ohler Pump (USA) |
| D5-45-2835 | Edgewood Chemical Biological Center Ecbc (USA) |
| 2M3EB | Itt Marlow a Unit of Itt Pumps and Compressors Div (USA) |
NSN 4320-00-821-1765 is a Pump,centrifugal, manufactured by WS Darley & Co Div Ohler Pump, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-821-1765 has 6 cross-referenced part numbers: 7220 (WS Darley & Co Div Ohler Pump), D43870 (Davey Compressor Co Div of Keco Industries Inc), E5-45-2835 (Edgewood Chemical Biological Center Ecbc), 77209 (WS Darley & Co Div Ohler Pump), D5-45-2835 (Edgewood Chemical Biological Center Ecbc) and 1 more.
There are 3 known substitutes for 4320-00-821-1765: 3110-00-155-6720, 4720-01-323-8761, 5331-01-344-9579. Verify interchangeability with system specifications before substitution.
Key specifications for 7220: Total Head: 300.000 FEET FT; Pumping Element Operating Position: VERTICAL; Intake Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL. 22 total characteristics are documented in the Federal Logistics Information System.