The Motor,hydraulic, cataloged under National Stock Number 4320-01-177-1028, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-177-1028 |
| Primary Part Number | ME210101AAAA |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Connection Design | THREADED |
| Connection Type | INLET AND OUTLET |
| Mounting Hole Diameter | 0.515 INCHES NOMINAL IN |
| Mounting Bolt Hole Spacing | 2 HOLES 45 DEG OFF CENTER TOP AND BOTTOM,180 DEGREE APART |
| Mounting Bolt Circle Diameter | 4.180 INCHES NOMINAL IN |
| Thread Size | 0.875-14 |
| Screw Thread Series Designator | UNF |
| 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 |
| Part Number | Manufacturer |
|---|---|
| ME210101AAAA PRIMARY | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA) |
| TG0335MS010AAAA | Parker Hannifin Corp Ross Opn Hydraulic Pump/motor Div (USA) |
| Reference | Meaning |
|---|---|
| ME210201AAAA | 5/9 Secondary reference Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
| MAE24002 | 5/9 Secondary reference Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
| 27852-000-00 | 5/2 Secondary reference U.S. Government activity |
NSN 4320-01-177-1028 is a Motor,hydraulic, manufactured by Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-177-1028 has 2 manufacturer part numbers on file: ME210101AAAA (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems), TG0335MS010AAAA (Parker Hannifin Corp Ross Opn Hydraulic Pump/motor Div).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-245-5866. Verify interchangeability with system specifications before substitution.
Key specifications for ME210101AAAA: Mounting Hole Quantity: 4; Connection Design: THREADED; Connection Type: INLET AND OUTLET; Mounting Hole Diameter: 0.515 INCHES NOMINAL IN. 10 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.