The Motor,hydraulic, cataloged under National Stock Number 4320-01-018-1668, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-018-1668 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Shaft Diameter | 1.000 INCHES NOMINAL IN |
| Constant Displacement Per Revolution | 17.900 CUBIC INCHES |
| Displacement Type | VARIABLE |
| Connection Design | THREADED |
| Distance From End to Keyway Center | 0.730 INCHES NOMINAL IN |
| Shaft Protrusion Length | 1.780 INCHES NOMINAL IN |
| Connection Type | INLET AND OUTLET |
| Thread Location | INTERNAL |
| Shaft Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Sae Key Size Accommodated | 15 |
| Thread Direction | RIGHT-HAND |
| Drive Shaft Type | WOODRUFF KEYWAY |
| Maximum Working Pressure Rating at Specified Temp Range | 900PSI AT 180 DEG F DEGF |
| Mounting Bolt Hole Spacing | 45.0 DEG APART |
| Mounting Bolt Circle Diameter | 3.250 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 182.0 |
| Thread Size | 0.500-14 |
| Screw Thread Series Designator | NPTF |
| 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 |
| Reference | Meaning |
|---|---|
| NP5023005 | C/1 Advisory reference — outside the item-of-supply concept Barber-Greene Co |
| A5M | 5/9 Secondary reference U.S. Government activity |
| 06006057 | C/1 Advisory reference — outside the item-of-supply concept Caterpillar Paving Products Inc |
| NP-5023-075 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| 101-1007-007 | 3/2 Design control — primary reference U.S. Government activity |
| NP-5023-075 | 5/9 Secondary reference Barber-Greene Co |
NSN 4320-01-018-1668 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): 5935-01-103-4757. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-018-1668: Mounting Hole Quantity: 4; Shaft Diameter: 1.000 INCHES NOMINAL IN; Constant Displacement Per Revolution: 17.900 CUBIC INCHES; Displacement Type: VARIABLE. 21 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.