The Motor,hydraulic, cataloged under National Stock Number 4320-01-181-5834, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-181-5834 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Spline Pitch | 12/24 |
| Spline Minor Diameter | 0.849 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN |
| Constant Displacement Per Revolution | 4.900 CUBIC INCHES |
| Displacement Type | CONSTANT OR VARIABLE |
| Connection Design | THREADED |
| Torque Load Rating | 2985.0 INCH-POUNDS IN |
| Spline Length | 0.896 INCHES MINIMUM AND 0.915 INCHES MAXIMUM IN |
| Connection Type | INLET AND OUTLET AND DRAIN |
| Mounting Hole Diameter | 0.529 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN |
| Pitch Diameter | 1.000 INCHES NOMINAL IN |
| Spline Major Diameter | 1.000 INCHES NOMINAL IN |
| Thread Location | INTERNAL |
| Shaft Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Thread Direction | RIGHT-HAND |
| Spline Pressure Angle in Deg | 30.0 |
| Drive Shaft Type | SPLINED, INVOLUTE INTERNAL |
| Spline Quantity | 6 |
| Maximum Working Pressure Rating at Specified Temp Range | 4500PSI AT PLUS 180 DEG F DEGF |
| Mounting Bolt Hole Spacing | 4.188 IN. C TO C DISTANCE IN |
| Mounting Bolt Circle Diameter | 5.130 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 754.0 |
| Thread Size | 1.062-12 AND 0.438-20 |
| Screw Thread Series Designator | UN AND UNF |
| Connection Government Spec/std | SAE J515A |
| Material | STEEL HOUSING |
| Connection Quantity | 3 |
| 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 |
| Reference | Meaning |
|---|---|
| 104-1053 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-01-181-5834 is a Motor,hydraulic, classified under FSC 4320, Power and Hand Pumps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6510-01-728-7157. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-181-5834: Mounting Hole Quantity: 2; Spline Pitch: 12/24; Spline Minor Diameter: 0.849 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN; Constant Displacement Per Revolution: 4.900 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.