The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-347-2820, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Itt Rule Industries Inc Danforth Div. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-347-2820 |
| Primary Part Number | MODEL 20R |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Itt Rule Industries Inc Danforth Div |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | DC |
| Pumping Element Operating Position | VERTICAL |
| Centrifugal Pump Impeller Quantity | 1 |
| Voltage in Volts | 12.0 |
| Cooling Method | WATER COOLED |
| Prime Mover Quantity | 1 |
| Pump Quantity | 1 |
| Features Provided | SELF-PRIMING |
| Maximum Discharge Flow Rate | 800.0 GALLONS PER MINUTE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, FRESH |
| Centrifugal Pump Design | MIXED FLOW |
| Total Head | 3.000 FEET FT |
| Current Rating in Amps | 4.0 |
| 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 |
|---|---|
| MODEL 20R PRIMARY | Itt Rule Industries Inc Danforth Div (USA) |
| Reference | Meaning |
|---|---|
| RULE 800-20 | 5/9 Secondary reference Itt Rule Industries Inc Danforth Div |
| MODEL 20 | 3/9 Design control — primary reference Itt Rule Industries Inc Danforth Div |
NSN 4320-01-347-2820 is a Pump Unit,centrifugal, manufactured by Itt Rule Industries Inc Danforth Div, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-347-2820 has 1 manufacturer part number on file: MODEL 20R (Itt Rule Industries Inc Danforth Div).
6 possible matches (shared part number, not a government interchangeability claim): 3825-01-398-1062, 7025-01-446-3806, 4940-01-516-8015. Verify interchangeability with system specifications before substitution.
Key specifications for MODEL 20R: Discharge Connection Quantity: 1; Inclosure Type: FULLY INCLOSED; Current Type: DC; Pumping Element Operating Position: VERTICAL. 17 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.