The Motor,hydraulic, cataloged under National Stock Number 1650-01-038-5103, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-038-5103 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Spline Pitch | 32/64 |
| Spline Minor Diameter | 0.347 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Displacement Type | CONSTANT |
| Connection Design | THREADED |
| Torque Load Rating | 34.0 INCH-POUNDS IN |
| Spline Length | 0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Connection Type | DRAIN AND INLET AND OUTLET |
| Mounting Hole Diameter | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Pitch Diameter | 0.375 INCHES NOMINAL IN |
| Spline Major Diameter | 0.406 INCHES MINIMUM AND 0.409 INCHES MAXIMUM IN |
| Thread Location | INTERNAL |
| Shaft Rotation Direction | CLOCKWISE |
| Thread Direction | RIGHT-HAND |
| Spline Pressure Angle in Deg | 30.0 |
| Drive Shaft Type | SPLINED, INVOLUTE INTERNAL |
| Spline Quantity | 12 |
| Maximum Working Pressure Rating at Specified Temp Range | 3000 PSI AT MINUS 65 DEG F TO PLUS 275 DEG F DEGF |
| Mounting Bolt Hole Spacing | 0.935 IN. BY 0.935 IN. IN |
| Operating Speed at Rated Capacity in RPM | 3750.0 |
| Thread Size | 0.375-24 AND 0.500-20 |
| Screw Thread Series Designator | UNF |
| Connection Government Spec/std | MS33649-3 AND MS33649-5 AND MS33649-5 |
| Connection Quantity | 3 |
| Mounting Type | FACE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 58106 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-038-5103 is a Motor,hydraulic, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-051-8647, 4730-01-151-0839, 5120-01-431-7147. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-01-038-5103: Mounting Hole Quantity: 4; Spline Pitch: 32/64; Spline Minor Diameter: 0.347 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Displacement Type: CONSTANT. 25 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.
NSN 1650-01-038-5103 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.