The Test Stand,hydraulic System Comp, cataloged under National Stock Number 4920-01-272-9620, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-272-9620 |
| Primary Part Number | 90229-100 |
| Item Name | Test Stand,hydraulic System Comp |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Pressure Rating | 0.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Phase | THREE |
| Pressure Manifold Subcircuit | NOT INCLUDED |
| Frequency in Hertz | 50.0 AND 60.0 |
| Current Type | AC |
| Usage Design | AIRCRAFT HYDRAULIC SYSTEM |
| Drive Type | ELECTRIC MOTOR |
| Power Source | ELECTRIC MOTOR |
| Filtering System | INCLUDED |
| Voltage in Volts | 380.0 AND 480.0 |
| Hydraulic Fluid Flow Rate | 60.0 GALLONS PER MINUTE |
| Engine Driven Hydraulic Pump Testing Design Feature | INCLUDED |
| Subcircuit Quantity and Maximum Operating Pressure | TWO 5000 PSI |
| Functional Description | USED TO CHECK THE PERFORMANCE AND OPERATING CHARACTERISTICS OF AIRCRAFT HYDRAULIC SYSTEMS |
| Pressure/suction Hose | NOT INCLUDED |
| Installation Design | PORTABLE |
| Accumulator | NOT INCLUDED |
| Reference Number Differentiating Characteristics | SOURCE CONTROL ITEM,REPAIRABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A/M27T-12 | Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc (USA) |
| DAA7229P101-101 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 90229-100 | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
NSN 4920-01-272-9620 is a Test Stand,hydraulic System Comp, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-272-9620 has 3 manufacturer part numbers on file: A/M27T-12 (Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc), DAA7229P101-101 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 90229-100 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 90229-100: Pressure Rating: 0.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Phase: THREE; Pressure Manifold Subcircuit: NOT INCLUDED; Frequency in Hertz: 50.0 AND 60.0. 18 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.
NSN 4920-01-272-9620 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.