The Motor,hydraulic, cataloged under National Stock Number 4320-01-298-3291, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-298-3291 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Keyway Depth | 0.125 INCHES NOMINAL IN |
| Shaft Diameter | 1.000 INCHES NOMINAL IN |
| Constant Displacement Per Revolution | 3.500 CUBIC INCHES |
| Displacement Type | CONSTANT OR VARIABLE |
| Connection Design | THREADED |
| Torque Load Rating | 55.4 INCH-POUNDS IN |
| Shaft Protrusion Length | 2.000 INCHES NOMINAL IN |
| Connection Type | DRAIN |
| Connection Type | OUTLET |
| Connection Type | INLET |
| Thread Location | INTERNAL |
| Shaft Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Thread Direction | RIGHT-HAND |
| Drive Shaft Type | MACHINE KEYWAY |
| Maximum Working Pressure Rating at Specified Temp Range | 3000PSI AT MINUS 40 DEG F TO PLUS 160 DEG F DEGF |
| Keyway Length | 1.688 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1500.0 |
| Thread Size | 9/16-18 AND 7/8-14 |
| Keyway Width | 0.250 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNF |
| Connection Government Spec/std | AND10050-6; AND10050-10; AND10050-10 |
| Material | IRON HOUSING |
| Connection Quantity | 3 |
| Mounting Type | FACE |
| 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 |
|---|---|
| 35-210C-16 | C/1 Advisory reference — outside the item-of-supply concept Von Ruden Mfg Inc |
| D61252 | 5/9 Secondary reference Washington Scientific Industries Inc |
| 35210C16 | 3/9 Design control — primary reference Washington Scientific Industries Inc |
NSN 4320-01-298-3291 is a Motor,hydraulic, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-298-3291: Keyway Depth: 0.125 INCHES NOMINAL IN; Shaft Diameter: 1.000 INCHES NOMINAL IN; Constant Displacement Per Revolution: 3.500 CUBIC INCHES; Displacement Type: CONSTANT OR VARIABLE. 24 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.