The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-773-7589, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Coffin Turbo Pump Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-773-7589 |
| Primary Part Number | 4212 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Coffin Turbo Pump Inc |
| Status | ACTIVE |
| Hub Bore Diameter | 2.375 INCHES NOMINAL AND 1.188 INCHES NOMINAL IN |
| Hub Length | 0.500 INCHES NOMINAL AND 0.750 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 8.375 INCHES NOMINAL IN |
| Mounting Method | THREAD |
| Thread Diameter | 1.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Hub Projection Length Beyond Wheel Side | 0.875 INCHES NOMINAL AND 2.875 INCHES NOMINAL IN |
| Blade Quantity | 6 |
| Hub Quantity | 2 |
| Hub Location | BACK SIDE AND FRONT SIDE |
| Screw Thread Series Designator | UNF |
| Material | COPPER ALLOY |
| Thread Quantity | 12 PER INCH |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Blade Type | FORWARD CURVE |
| 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 |
|---|---|
| 4212 PRIMARY | Coffin Turbo Pump Inc (USA) |
| Reference | Meaning |
|---|---|
| E7887-107 | 5/9 Secondary reference Fmc Corp Turbo Pump Operation |
| 4212 | 5/9 Secondary reference Fmc Corp Turbo Pump Operation |
| 4212AND3728 | 5/9 Secondary reference Fmc Corp Turbo Pump Operation |
NSN 4320-00-773-7589 is a Impeller,pump,centrifugal, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-773-7589 has 1 manufacturer part number on file: 4212 (Coffin Turbo Pump Inc).
Key specifications for 4212: Hub Bore Diameter: 2.375 INCHES NOMINAL AND 1.188 INCHES NOMINAL IN; Hub Length: 0.500 INCHES NOMINAL AND 0.750 INCHES NOMINAL IN; Design Type: SINGLE WIDTH; Overall Diameter: 8.375 INCHES NOMINAL IN. 16 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.