The Rotor and Shaft Pump Assembly, cataloged under National Stock Number 4320-00-375-4899, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Viking Pump, Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-375-4899 |
| Primary Part Number | 3-567-850-525 |
| Item Name | Rotor and Shaft Pump Assembly |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Viking Pump, Inc |
| Status | ACTIVE |
| Shaft Largest Diameter | 0.750 INCHES NOMINAL IN |
| Rotor Diameter | 3.375 INCHES NOMINAL IN |
| Pump Design Control Activity | 63097 |
| Pump Model Number for Which Designed | BA783 |
| Material | STEEL |
| 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 |
|---|---|
| 3-567-850-525 PRIMARY | Viking Pump, Inc (USA) |
| Reference | Meaning |
|---|---|
| 313-45-25ALT1PC14-27-40-43-47 | 3/2 Design control — primary reference U.S. Government activity |
| 212-45-09PC14-27-40-43-47 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-00-375-4899 is a Rotor and Shaft Pump Assembly, manufactured by Viking Pump, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-375-4899 has 1 manufacturer part number on file: 3-567-850-525 (Viking Pump, Inc).
Key specifications for 3-567-850-525: Shaft Largest Diameter: 0.750 INCHES NOMINAL IN; Rotor Diameter: 3.375 INCHES NOMINAL IN; Overall Length: 8.125 INCHES NOMINAL IN; Pump Design Control Activity: 63097. 5 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.