The Motor,hydraulic, cataloged under National Stock Number 4320-01-451-6002, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Parker Hannifin Corporation Div Cylinder Division. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-451-6002 |
| Primary Part Number | 312 9710 046 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Parker Hannifin Corporation Div Cylinder Division |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Spline Pitch | 16/32 |
| Displacement Type | CONSTANT OR VARIABLE |
| Connection Design | FLANGED |
| Torque Load Rating | 660.0 INCH-POUNDS IN |
| Shaft Protrusion Length | 1.620 INCHES NOMINAL IN |
| Spline Length | 1.250 INCHES NOMINAL IN |
| Connection Type | INLET AND OUTLET |
| Mounting Hole Diameter | 0.560 INCHES NOMINAL IN |
| Shaft Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Spline Pressure Angle in Deg | 30.0 |
| Drive Shaft Type | SPLINED, INVOLUTE EXTERNAL |
| Spline Quantity | 13 |
| Mounting Bolt Hole Spacing | 5.750 IN. APART IN |
| Mounting Bolt Circle Diameter | 5.750 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Operating Speed at Rated Capacity in RPM | 2000.0 |
| Connection Government Spec/std | SAE SPLIT FLANGE INLET AND OUTLET |
| Connection Quantity | 2 |
| Mounting Type | FLANGE |
| 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 |
|---|---|
| WM31A997BE-OF10-25 | Parker Hannifin Corporation Div Cylinder Division (USA) |
| 312 9710 046 PRIMARY | Parker Hannifin Corporation Div Cylinder Division (USA) |
| YMD-6634 | Appleton Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| YMD-7274 | C/1 Advisory reference — outside the item-of-supply concept Appleton Marine Inc |
NSN 4320-01-451-6002 is a Motor,hydraulic, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-451-6002 has 3 manufacturer part numbers on file: WM31A997BE-OF10-25 (Parker Hannifin Corporation Div Cylinder Division), 312 9710 046 (Parker Hannifin Corporation Div Cylinder Division), YMD-6634 (Appleton Marine Inc).
Key specifications for 312 9710 046: Mounting Hole Quantity: 2; Spline Pitch: 16/32; Displacement Type: CONSTANT OR VARIABLE; Connection Design: FLANGED. 20 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.