The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-447-3971, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Miller Electric Mfg. Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-447-3971 |
| Primary Part Number | 0315-3.34 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 3.340 INCHES NOMINAL IN |
| Blade Quantity | 8 |
| Material | COPPER ALLOY |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 0315-3.34 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| 0315-3.34 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
| 0315-3.34 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4320-01-447-3971 is a Impeller,pump,centrifugal, manufactured by Miller Electric Mfg. Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-447-3971 has 1 manufacturer part number on file: 0315-3.34 (Miller Electric Mfg. Llc).
Key specifications for 0315-3.34: Design Type: SINGLE WIDTH; Overall Diameter: 3.340 INCHES NOMINAL IN; Overall Width: 0.250 INCHES NOMINAL IN; Blade Quantity: 8. 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.