The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-236-4956, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Weil Pump Co Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-236-4956 |
| Primary Part Number | 2595-668 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Weil Pump Co Inc |
| Status | ACTIVE |
| Keyway Depth | 0.188 INCHES NOMINAL IN |
| Overall Diameter | 6.680 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Blade Quantity | 5 |
| Keyway Width | 0.094 INCHES NOMINAL IN |
| 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 |
|---|---|
| S-3706 PIECE 14 | Weil Pump Co Inc (USA) |
| 2595-668 PRIMARY | Weil Pump Co Inc (USA) |
| Reference | Meaning |
|---|---|
| S-3706 | D/9 Drawing number reference only Weil Pump Co Inc |
NSN 4320-01-236-4956 is a Impeller,pump,centrifugal, manufactured by Weil Pump Co Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-236-4956 has 2 manufacturer part numbers on file: S-3706 PIECE 14 (Weil Pump Co Inc), 2595-668 (Weil Pump Co Inc).
Key specifications for 2595-668: Keyway Depth: 0.188 INCHES NOMINAL IN; Overall Diameter: 6.680 INCHES NOMINAL IN; Mounting Method: KEY; Overall Width: 2.625 INCHES NOMINAL IN. 9 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.