The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-643-5747, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is M.t. Davidson Company. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-643-5747 |
| Primary Part Number | C3-137-0065 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | M.t. Davidson Company |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| D3-433-0010 REV D ITEM 7 | M.t. Davidson Company (USA) |
| C3-137-0065 PRIMARY | M.t. Davidson Company (USA) |
NSN 4320-01-643-5747 is a Impeller,pump,centrifugal, manufactured by M.t. Davidson Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-643-5747 has 2 manufacturer part numbers on file: D3-433-0010 REV D ITEM 7 (M.t. Davidson Company), C3-137-0065 (M.t. Davidson Company).
Key specifications for C3-137-0065: Special Features: MATERIAL - GUN METAL ASTM B143,ALLOY 1A OR 1B A; Part Name Assigned by Controlling Agency: IMPELLER; End Item Identification: PUMP UNIT,CT; Material: COPPER ALLOY. 1 specification is 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.