The Motor,hydraulic, cataloged under National Stock Number 4320-01-366-9438, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Atap Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-366-9438 |
| Primary Part Number | 11Y-5-AS-Y-01 |
| Item Name | Motor,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Atap Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Constant Displacement Per Revolution | 10.600 CUBIC INCHES |
| Length | 0.820 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Length | 0.900 INCHES NOMINAL SQUARE END IN |
| Displacement Type | CONSTANT |
| Connection Design | THREADED |
| Torque Load Rating | 4081.0 INCH-POUNDS IN |
| Supplementary Features | 18.4LBS; HYDRAULIC FLUID; OPERATING TEMPERATURE -40.0DEG F TO 125.0DEG F LBS |
| Connection Type | INLET AND OUTLET AND DRAIN |
| Mounting Hole Diameter | 0.540 INCHES NOMINAL IN |
| Thread Location | INTERNAL |
| Shaft Rotation Direction | CLOCKWISE |
| Thread Direction | RIGHT-HAND |
| Maximum Working Pressure Rating at Specified Temp Range | 2750.0PSI CONTINUOUS AND 3250.OPSI INTERMITTENT AT A KNOWN TEMPERATURE |
| Mounting Bolt Circle Diameter | 4.180 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 328.0 |
| Thread Size | 0.875-14 AND 0.438-20 |
| Screw Thread Series Designator | UNF |
| Connection Quantity | 1 |
| 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 |
|---|---|
| 11Y-5-AS-Y-01 PRIMARY | Atap Inc (USA) |
| Reference | Meaning |
|---|---|
| SW24770 | D/9 Drawing number reference only U.S. Government activity |
| 11Y-5-AS-Y-01 | 5/9 Secondary reference Parker-Hannifin Corp Div Hydraulic Pump/motor Division |
NSN 4320-01-366-9438 is a Motor,hydraulic, manufactured by Atap Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-366-9438 has 1 manufacturer part number on file: 11Y-5-AS-Y-01 (Atap Inc).
Key specifications for 11Y-5-AS-Y-01: Mounting Hole Quantity: 2; Width Across Flats: 0.750 INCHES NOMINAL IN; Constant Displacement Per Revolution: 10.600 CUBIC INCHES; Length: 0.820 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. 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.