The Motor,hydraulic, cataloged under National Stock Number 4320-01-018-1183, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-018-1183 |
| Primary Part Number | 2689639 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Spline Pitch | 24/48 |
| Spline Minor Diameter | 0.645 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN |
| Constant Displacement Per Revolution | 1.000 CUBIC INCHES |
| Displacement Type | CONSTANT |
| Torque Load Rating | 16.0 INCH-POUNDS IN |
| Spline Length | 0.875 INCHES NOMINAL IN |
| Connection Type | INLET AND DRAIN |
| Mounting Hole Diameter | 0.342 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN |
| Pitch Diameter | 0.708 INCHES NOMINAL IN |
| Spline Major Diameter | 0.738 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN |
| Shaft Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Spline Pressure Angle in Deg | 30.0 |
| Drive Shaft Type | SPLINED, INVOLUTE EXTERNAL |
| Spline Quantity | 17 |
| Mounting Bolt Circle Diameter | 5.500 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 100.0 |
| Connection Quantity | 1 AND 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 |
|---|---|
| 2689639 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4320-01-018-1183 is a Motor,hydraulic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-018-1183 has 1 manufacturer part number on file: 2689639 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2689639: Mounting Hole Quantity: 4; Spline Pitch: 24/48; Spline Minor Diameter: 0.645 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN; Constant Displacement Per Revolution: 1.000 CUBIC INCHES. 19 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.