The Motor,hydraulic, cataloged under National Stock Number 4320-00-481-4870, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is David Brown Hydraulics Inc Dba Hydreco. Government technical data includes 21 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 | 4320-00-481-4870 |
| Primary Part Number | 2M012B2B1 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | David Brown Hydraulics Inc Dba Hydreco |
| Status | ACTIVE |
| Shaft Diameter | 0.624 INCHES NOMINAL IN |
| Constant Displacement Per Revolution | 0.727 CUBIC INCHES |
| Key Width | 0.188 INCHES NOMINAL IN |
| Displacement Type | CONSTANT |
| Connection Design | THREADED |
| Torque Load Rating | 100.0 INCH-POUNDS IN |
| Connection Type | INLET AND OUTLET |
| Mounting Government Standard | NONE |
| Thread Location | INTERNAL |
| Shaft Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Thread Direction | RIGHT-HAND |
| Drive Shaft Type | KEYED |
| Key Height | 0.188 INCHES NOMINAL IN |
| Maximum Working Pressure Rating at Specified Temp Range | 1500 AT 120 DEG F DEGF |
| Key Length | 1.250 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 2000.0 |
| Thread Size | 0.750-14 AND 0.375-14 |
| Screw Thread Series Designator | NPTF |
| Material | IRON CAST HOUSING |
| Connection Quantity | 2 |
| Mounting Type | FOOT |
| 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 |
|---|---|
| 2M012B2B1 PRIMARY | David Brown Hydraulics Inc Dba Hydreco (USA) |
NSN 4320-00-481-4870 is a Motor,hydraulic, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-481-4870 has 1 manufacturer part number on file: 2M012B2B1 (David Brown Hydraulics Inc Dba Hydreco).
Key specifications for 2M012B2B1: Shaft Diameter: 0.624 INCHES NOMINAL IN; Constant Displacement Per Revolution: 0.727 CUBIC INCHES; Key Width: 0.188 INCHES NOMINAL IN; Displacement Type: CONSTANT. 21 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.