The Motor,hydraulic, cataloged under National Stock Number 2540-00-155-8780, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 23 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-00-155-8780 |
| Primary Part Number | MMFB20U10 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Shaft Diameter | 1.248 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Key Width | 0.312 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Displacement Type | CONSTANT |
| Connection Design | THREADED |
| Torque Load Rating | 70.0 INCH-POUNDS OR 80.0 INCH-POUNDS IN |
| Connection Type | DRAIN AND INLET AND OUTLET |
| Mounting Hole Diameter | 0.562 INCHES NOMINAL IN |
| Thread Location | INTERNAL |
| Shaft Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Thread Direction | RIGHT-HAND |
| Drive Shaft Type | KEYED |
| Key Height | 0.312 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Mounting Bolt Hole Spacing | 5.750 IN. BY 5.750 IN. IN |
| Mounting Bolt Circle Diameter | 2.875 INCHES NOMINAL IN |
| Key Length | 1.250 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1800.0 |
| Thread Size | 0.750-16 AND 1.625-12 |
| Screw Thread Series Designator | UNF AND UN |
| Surface Treatment | ENAMEL HOUSING |
| Material | IRON CAST HOUSING |
| Connection Quantity | 2 |
| Mounting Type | FACE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| MMFB20U10 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 2540-00-155-8780 is a Motor,hydraulic, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-155-8780 has 1 manufacturer part number on file: MMFB20U10 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for MMFB20U10: Mounting Hole Quantity: 2; Shaft Diameter: 1.248 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Key Width: 0.312 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Displacement Type: CONSTANT. 23 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.