The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-253-5574, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Oberdorfer Foundries Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-253-5574 |
| Primary Part Number | B7193 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Oberdorfer Foundries Inc |
| Status | ACTIVE |
| Overall Diameter | 2.990 INCHES NOMINAL IN |
| Blade Quantity | 3 |
| Material | COPPER ALLOY |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| B7193 PRIMARY | Oberdorfer Foundries Inc (USA) |
| Reference | Meaning |
|---|---|
| B7193-2.9IN | C/1 Advisory reference — outside the item-of-supply concept Oberdorfer Foundries Inc |
NSN 4320-01-253-5574 is a Impeller,pump,centrifugal, manufactured by Oberdorfer Foundries Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-253-5574 has 1 manufacturer part number on file: B7193 (Oberdorfer Foundries Inc).
Key specifications for B7193: Overall Diameter: 2.990 INCHES NOMINAL IN; Blade Quantity: 3; End Item Identification: OBERDORFER FOUNDRIES INC MODELS 300B-USF,300B-2-USF,30PB,30PB-2 PUMPS; 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.