The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-508-4942, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-508-4942 |
| Primary Part Number | 981417 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 14.125 INCHES NOMINAL IN |
| Blade Quantity | 6 |
| Material | STEEL CORROSION RESISTING |
| Rotation Direction for Which Designed | CLOCKWISE |
| Blade Type | BACKWARD 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 |
|---|---|
| 981417 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| Reference | Meaning |
|---|---|
| 10120 PC 2 | 5/9 Secondary reference Blackmer System One, Inc. Div Blackmer System One, Inc. |
| 981417 | 3/9 Design control — primary reference Blackmer System One, Inc. Div Blackmer System One, Inc. |
NSN 4320-01-508-4942 is a Impeller,pump,centrifugal, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-508-4942 has 1 manufacturer part number on file: 981417 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
Key specifications for 981417: Design Type: SINGLE WIDTH; Overall Diameter: 14.125 INCHES NOMINAL IN; Overall Width: 5.780 INCHES NOMINAL IN; Blade Quantity: 6. 6 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.