The Pump,rotary, cataloged under National Stock Number 4320-01-191-4149, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Tuthill Corporation Dba Tuthill Pump Group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-191-4149 |
| Primary Part Number | 1RFD-2 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Tuthill Corporation Dba Tuthill Pump Group |
| Status | ACTIVE |
| Discharge Connection Quantity | 2 |
| Intake Connection Type | UNTHREADED INTERNAL |
| Drive Shaft Length | 1.250 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity | 1800.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 0.500-14 NPT |
| Drive Shaft Type | PLAIN ROUND |
| Maximum Discharge Flow Rate | 3.0 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 0.435 INCHES NOMINAL IN |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 2 |
| Pump Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Operation Method | POWERED |
| 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 |
|---|---|
| 1RFD-2 PRIMARY | Tuthill Corporation Dba Tuthill Pump Group (USA) |
| 2D2-411 PIECE 33 | Lake Shore Systems, Inc. (USA) |
NSN 4320-01-191-4149 is a Pump,rotary, manufactured by Tuthill Corporation Dba Tuthill Pump Group, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-191-4149 has 2 manufacturer part numbers on file: 1RFD-2 (Tuthill Corporation Dba Tuthill Pump Group), 2D2-411 PIECE 33 (Lake Shore Systems, Inc.).
Key specifications for 1RFD-2: Discharge Connection Quantity: 2; Intake Connection Type: UNTHREADED INTERNAL; Drive Shaft Length: 1.250 INCHES NOMINAL IN; Operating Speed at Rated Capacity: 1800.0 REVOLUTIONS PER MINUTE. 13 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.