The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-221-4591, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Pentair Pump Group, Inc. Dba Fairbanks Morse Pump. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-00-221-4591 |
| Primary Part Number | D6D1AM |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| Status | ACTIVE |
| Mounting Method | KEY |
| Material | COPPER ALLOY |
| Rotation Direction for Which Designed | CLOCKWISE OR COUNTERCLOCKWISE |
| Blade Type | RADIAL TIP |
| 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 |
|---|---|
| D6D1AM PRIMARY | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
| Reference | Meaning |
|---|---|
| D6D1D1 | 5/9 Secondary reference Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| D6D1D1 | 5/9 Secondary reference Crane Co Dba Crane-Deming Pumps Division Div Deming Pumps |
NSN 4320-00-221-4591 is a Impeller,pump,centrifugal, manufactured by Pentair Pump Group, Inc. Dba Fairbanks Morse Pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-221-4591 has 1 manufacturer part number on file: D6D1AM (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump).
Key specifications for D6D1AM: Mounting Method: KEY; Special Features: ANNULAR TYPE WEARING RINGS CAST INTERGRALLY WITH THE IMPELLER; End Item Identification: MODEL 6INCH 5824 PUMP IN; Material: COPPER ALLOY. 4 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.