PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-03-01Test Stand,hydraulic System Comp

Uni-Systems Inc · NSN 4920-00-034-8783 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-034-8783 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-034-8783. Primary manufacturer part number: 2-03-01.
Features
  • Test Stand,hydraulic System Comp — FSC 4920
  • Functional Classification: AA-9.2
  • Entry Date: 90-02-28
  • Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Reference Data and Literature: T.O.33A2-2-1-146
  • Filtering System: INCLUDED
  • Functional Description: USED TO TEST ACFT HYDRAULIC SYSTEMS AND/OR COMPONENTS WITHOUT OPERATING ACFT ENGINE OR REMOVING COMPONENTS
  • Engine Driven Hydraulic Pump Testing Design Feature: NOT INCLUDED
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Stand,hydraulic System Comp, cataloged under National Stock Number 4920-00-034-8783, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Uni-Systems Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-00-034-8783
Primary Part Number2-03-01
Item NameTest Stand,hydraulic System Comp
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerUni-Systems Inc
StatusACTIVE
Functional ClassificationAA-9.2
Entry Date90-02-28
Pressure Rating3000.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Reference Data and LiteratureT.O.33A2-2-1-146
Filtering SystemINCLUDED
Functional DescriptionUSED TO TEST ACFT HYDRAULIC SYSTEMS AND/OR COMPONENTS WITHOUT OPERATING ACFT ENGINE OR REMOVING COMPONENTS
Engine Driven Hydraulic Pump Testing Design FeatureNOT INCLUDED
Power SourceGASOLINE ENGINE
Pressure/suction HoseINCLUDED
AccumulatorINCLUDED
Pressure Manifold SubcircuitNOT INCLUDED
Horsepower Rating133.0
Installation DesignPORTABLE
Usage DesignAIRCRAFT HYDRAULIC SYSTEM
Hydraulic Fluid Flow Rate20.0 GALLONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2530-00-139-399020301 INTERCHANGEABLE
Hub Assembly
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
3110-00-156-3427200-016 INTERCHANGEABLE
Bearing,ball,annular
Cummins-Allison Corp. Dba Cummins-Allison Div Federal Government Department
3110-00-156-67370074698 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5940-00-204-61368908469 INTERCHANGEABLE
Terminal Board
Us Army Aviation and Missile Command
5120-00-223-0989 INTERCHANGEABLE
Punch,starter
5975-00-257-1304 INTERCHANGEABLE
Box Connector,electrical
4920-00-400-5622C597-1000 INTERCHANGEABLE
Test Stand,hydraulic System Comp
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
4920-00-484-9113 INTERCHANGEABLE
Test Stand,hydraulic System Comp
5945-00-523-2001 INTERCHANGEABLE
Relay Assy
2915-00-715-55346809583 INTERCHANGEABLE
Discriminator Assem
Rolls-Royce Corporation
Cross-Reference Index
Part NumberManufacturer
2-03-01 Uni-Systems Inc (USA)
MILT38381 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
2530-00-139-3990INTERCHANGEABLE
HUB ASSEMBLY
20301
3110-00-156-3427INTERCHANGEABLE
BEARING,BALL,ANNULAR
200-016
3110-00-156-6737INTERCHANGEABLE
BEARING,BALL,ANNULAR
0074698
5940-00-204-6136INTERCHANGEABLE
TERMINAL BOARD
8908469
5120-00-223-0989INTERCHANGEABLE
PUNCH,STARTER
5975-00-257-1304INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
4920-00-400-5622INTERCHANGEABLE
TEST STAND,HYDRAULIC SYSTEM COMP
C597-1000
4920-00-484-9113INTERCHANGEABLE
TEST STAND,HYDRAULIC SYSTEM COMP
5945-00-523-2001INTERCHANGEABLE
RELAY ASSY
2915-00-715-5534INTERCHANGEABLE
DISCRIMINATOR ASSEM
6809583
4920-00-880-5994INTERCHANGEABLE
TEST STAND,HYDRAULIC SYSTEM COMP
4920-00-999-2915INTERCHANGEABLE
TEST STAND,HYDRAULIC SYSTEM COMP
81500

Frequently Asked Questions

What is NSN 4920-00-034-8783?

NSN 4920-00-034-8783 is a Test Stand,hydraulic System Comp, manufactured by Uni-Systems Inc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-034-8783?

NSN 4920-00-034-8783 has 2 cross-referenced part numbers: 2-03-01 (Uni-Systems Inc), MILT38381 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4920-00-034-8783?

There are 12 known substitutes for 4920-00-034-8783: 2530-00-139-3990, 3110-00-156-3427, 3110-00-156-6737 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-03-01?

Key specifications for 2-03-01: Functional Classification: AA-9.2; Entry Date: 90-02-28; Special Features: THREE INDEPENDENT SYSTEMS; Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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