The Motor,hydraulic, cataloged under National Stock Number 4320-01-451-0125, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Corp Hydraulics Div. Government technical data includes 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-451-0125 |
| Primary Part Number | 104-1021-006 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eaton Corp Hydraulics Div |
| Status | ACTIVE |
| Shaft Thread Size | 0.250-20 |
| Mounting Hole Quantity | 2 |
| Spline Minor Diameter | 0.850 INCHES NOMINAL IN |
| Constant Displacement Per Revolution | 18.710 CUBIC INCHES |
| Displacement Type | CONSTANT |
| Connection Design | THREADED |
| Torque Load Rating | 7470.0 INCH-POUNDS IN |
| Shaft Screw Thread Length | 0.600 INCHES NOMINAL IN |
| Shaft Protrusion Length | 1.130 INCHES NOMINAL IN |
| Spline Length | 0.896 INCHES NOMINAL IN |
| Connection Type | INLET AND OUTLET AND DRAIN |
| Mounting Hole Diameter | 0.535 INCHES NOMINAL IN |
| Spline Major Diameter | 0.998 INCHES NOMINAL IN |
| Mounting Government Standard | SAE A |
| Thread Location | INTERNAL |
| Shaft Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Thread Direction | RIGHT-HAND |
| Drive Shaft Type | SPLINED, STRAIGHT EXTERNAL AND THREADED |
| Spline Quantity | 6 |
| Maximum Working Pressure Rating at Specified Temp Range | 1750PSI |
| Mounting Bolt Circle Diameter | 4.190 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 153.0 |
| Thread Size | 0.875-14 AND 0.875-4 AND 0.4375-20 |
| Screw Thread Series Designator | UNF |
| Shaft Thread Direction | RIGHT-HAND |
| Connection Government Spec/std | SAE J1926 |
| Material | STEEL HOUSING |
| Connection Quantity | 3 |
| 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 |
|---|---|
| M0219C05A0000F 104-1021-006 | Eaton Corp Hydraulics Div (USA) |
| M0219C05A0000F 104-1021-006 | Scott Industrial Systems, Inc (USA) |
| 104-1021-006 PRIMARY | Eaton Corp Hydraulics Div (USA) |
| 9310C4601-001 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 9310C | 5/9 Secondary reference The Entwistle Company Llc |
NSN 4320-01-451-0125 is a Motor,hydraulic, manufactured by Eaton Corp Hydraulics Div, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-451-0125 has 4 manufacturer part numbers on file: M0219C05A0000F 104-1021-006 (Eaton Corp Hydraulics Div), M0219C05A0000F 104-1021-006 (Scott Industrial Systems, Inc), 104-1021-006 (Eaton Corp Hydraulics Div), 9310C4601-001 (The Entwistle Company Llc).
Key specifications for 104-1021-006: Shaft Thread Size: 0.250-20; Mounting Hole Quantity: 2; Spline Minor Diameter: 0.850 INCHES NOMINAL IN; Constant Displacement Per Revolution: 18.710 CUBIC INCHES. 28 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.