The Test Stand,hydraulic System Comp, cataloged under National Stock Number 4940-01-420-4147, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Schroeder Industries Llc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-420-4147 |
| Primary Part Number | HTB-50-E-47 |
| Item Name | Test Stand,hydraulic System Comp |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Schroeder Industries Llc |
| Status | ACTIVE |
| Phase | THREE |
| Pressure Manifold Subcircuit | NOT INCLUDED |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Usage Design | INDIVIDUAL HYDRAULIC UNITS |
| Drive Type | ELECTRIC MOTOR |
| Horsepower Rating | 50.0 |
| Power Source | ELECTRIC MOTOR |
| Filtering System | INCLUDED |
| Voltage in Volts | 230.0 AND 460.0 |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Maximum Speed Rating in RPM | 1800.0 |
| Engine Driven Hydraulic Pump Testing Design Feature | INCLUDED |
| Pressure/suction Hose | INCLUDED |
| Installation Design | FIXED |
| Accumulator | NOT INCLUDED |
| 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 |
|---|---|
| HTB-50-E-47 PRIMARY | Schroeder Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| D-4232 | D/9 Drawing number reference only Schroeder Industries Llc |
NSN 4940-01-420-4147 is a Test Stand,hydraulic System Comp, manufactured by Schroeder Industries Llc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-420-4147 has 1 manufacturer part number on file: HTB-50-E-47 (Schroeder Industries Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4810-01-443-7553, 3120-01-528-8445, 3120-01-528-8501. Verify interchangeability with system specifications before substitution.
Key specifications for HTB-50-E-47: Phase: THREE; Pressure Manifold Subcircuit: NOT INCLUDED; Frequency in Hertz: 60.0; Current Type: AC. 16 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.