The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-283-5844, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-283-5844 |
| Primary Part Number | 4RC93 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 0.500 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 1725.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Discharge Pressure | 25.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 42.0 GALLONS PER MINUTE |
| Prime Mover Type | ELECTRIC MOTOR |
| Total Head | 6.000 FEET FT |
| 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 |
|---|---|
| 4RC93 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 1P900 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4320-01-283-5844 is a Pump Unit,centrifugal, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-283-5844 has 1 manufacturer part number on file: 4RC93 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 4RC93: Pumping Element Operating Position: HORIZONTAL; Prime Mover Power Rating: 0.500 HORSEPOWER; Centrifugal Pump Impeller Quantity: 1; Prime Mover Quantity: 1. 10 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.