The Motor,hydraulic, cataloged under National Stock Number 4320-01-304-1985, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Delta Power Hydraulic Co. Government technical data includes 19 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 | 4320-01-304-1985 |
| Primary Part Number | DM-8 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Delta Power Hydraulic Co |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Shaft Diameter | 0.437 INCHES NOMINAL IN |
| Constant Displacement Per Revolution | 0.501 CUBIC INCHES |
| Connection Design | THREADED |
| Torque Load Rating | 7.5 INCH-POUNDS IN |
| Distance From End to Keyway Center | 0.562 INCHES NOMINAL IN |
| Shaft Protrusion Length | 1.000 INCHES NOMINAL IN |
| Bolt Hole Spacing | 2.00 IN. BY 2.00 IN. CENTER TO CENTER IN |
| Connection Type | INLET AND OUTLET |
| Bolt Hole Diameter | 0.344 INCHES NOMINAL IN |
| Mounting Government Standard | SAE4F17 |
| Thread Location | INTERNAL |
| Shaft Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Thread Direction | RIGHT-HAND |
| Drive Shaft Type | PLAIN ROUND AND WOODRUFF KEYWAY |
| Bolt Hole Quantity | 4 |
| Material | IRON CAST HOUSING |
| 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 |
|---|---|
| DM-8 PRIMARY | Delta Power Hydraulic Co (USA) |
NSN 4320-01-304-1985 is a Motor,hydraulic, manufactured by Delta Power Hydraulic Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-304-1985 has 1 manufacturer part number on file: DM-8 (Delta Power Hydraulic Co).
Key specifications for DM-8: Mounting Hole Quantity: 4; Shaft Diameter: 0.437 INCHES NOMINAL IN; Constant Displacement Per Revolution: 0.501 CUBIC INCHES; Connection Design: THREADED. 19 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.