The Motor,hydraulic, cataloged under National Stock Number 4320-01-565-6831, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-565-6831 |
| Primary Part Number | 255-0107 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| 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 |
|---|---|
| 255-0107 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 222-8666 | 5/1 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 4320-01-565-6831 is a Motor,hydraulic, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-565-6831 has 1 manufacturer part number on file: 255-0107 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 255-0107: Mounting Hole Quantity: 2; Special Features: MOTOR MOUNTS TO FAN CAGE WITH TWO BOLTS; FLUID CONNECTIONS ARE FLANGED WITH FOUR BOLT HOLES; Part Name Assigned by Controlling Agency: FAN MOTOR; End Item Identification: MOTORIZED ROLLER. 3 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.