The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-375-4943, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-375-4943 |
| Primary Part Number | R214PCSP4 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Keyway Type | RECTANGULAR |
| Keyway Depth | 0.094 INCHES NOMINAL IN |
| Hub Bore Diameter | 0.750 INCHES NOMINAL AND 1.656 INCHES NOMINAL IN |
| Hub Length | 0.500 INCHES NOMINAL AND 0.438 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 5.875 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 0.500 INCHES NOMINAL AND 0.500 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Keyway Length | 0.750 INCHES NOMINAL IN |
| Hub Quantity | 2 |
| Hub Location | BACK SIDE AND FRONT SIDE |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| R214PCSP4 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| A150A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R213PC8A8B PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R212PC8A8B PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-375-4943 is a Impeller,pump,centrifugal, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-375-4943 has 4 manufacturer part numbers on file: R214PCSP4 (Circor Naval Solutions Llc Dba Warren Pumps), A150A (Circor Naval Solutions Llc Dba Warren Pumps), R213PC8A8B (Circor Naval Solutions Llc Dba Warren Pumps), R212PC8A8B (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for R214PCSP4: Keyway Type: RECTANGULAR; Keyway Depth: 0.094 INCHES NOMINAL IN; Hub Bore Diameter: 0.750 INCHES NOMINAL AND 1.656 INCHES NOMINAL IN; Hub Length: 0.500 INCHES NOMINAL AND 0.438 INCHES NOMINAL IN. 17 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.