The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-129-6568, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Capitol Engine Co, Inc Dba Salmini Worldwide. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-129-6568 |
| Primary Part Number | 301073 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Capitol Engine Co, Inc Dba Salmini Worldwide |
| Status | ACTIVE |
| Hub Bore Diameter | 1.250 INCHES NOMINAL IN |
| Hub Length | 1.000 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 6.500 INCHES NOMINAL IN |
| Mounting Method | THREAD |
| Thread Diameter | 0.438 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Hub Projection Length Beyond Wheel Side | 0.312 INCHES NOMINAL IN |
| Blade Quantity | 4 |
| Hub Quantity | 1 |
| Hub Location | BACK SIDE |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | COPPER ALLOY |
| Thread Quantity | 14 PER INCH |
| Rotation Direction for Which Designed | CLOCKWISE |
| Blade Type | BACKWARD 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 |
|---|---|
| 301073 PRIMARY | Capitol Engine Co, Inc Dba Salmini Worldwide (USA) |
| Reference | Meaning |
|---|---|
| 301073 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
NSN 4320-00-129-6568 is a Impeller,pump,centrifugal, manufactured by Capitol Engine Co, Inc Dba Salmini Worldwide, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-129-6568 has 1 manufacturer part number on file: 301073 (Capitol Engine Co, Inc Dba Salmini Worldwide).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-034-8667. Verify interchangeability with system specifications before substitution.
Key specifications for 301073: Hub Bore Diameter: 1.250 INCHES NOMINAL IN; Hub Length: 1.000 INCHES NOMINAL IN; Design Type: SINGLE WIDTH; Overall Diameter: 6.500 INCHES NOMINAL IN. 16 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.