The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-418-4100, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Mth Tool Company Inc. Dba Mth Pumps. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-418-4100 |
| Primary Part Number | 11-2227-0G-206 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Mth Tool Company Inc. Dba Mth Pumps |
| Status | ACTIVE |
| Keyway Type | SQUARE |
| Hub Bore Diameter | 1.000 INCHES NOMINAL IN |
| Design Type | DOUBLE WIDTH |
| Overall Diameter | 3.300 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Quantity | 1 |
| Hub Location | SINGLE OUTSIDE |
| Keyway Width | 0.187 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Rotation Direction for Which Designed | CLOCKWISE OR COUNTERCLOCKWISE |
| Blade Type | STRAIGHT |
| 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 |
|---|---|
| 11-2227-0G-206 PRIMARY | Mth Tool Company Inc. Dba Mth Pumps (USA) |
NSN 4320-01-418-4100 is a Impeller,pump,centrifugal, manufactured by Mth Tool Company Inc. Dba Mth Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-418-4100 has 1 manufacturer part number on file: 11-2227-0G-206 (Mth Tool Company Inc. Dba Mth Pumps).
Key specifications for 11-2227-0G-206: Keyway Type: SQUARE; Hub Bore Diameter: 1.000 INCHES NOMINAL IN; Design Type: DOUBLE WIDTH; Overall Diameter: 3.300 INCHES NOMINAL IN. 12 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.