PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EAMotor,hydraulic

Eaton Corporation Div Eaton Fluid Power · NSN 4320-00-137-4101 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-137-4101 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-137-4101. Primary manufacturer part number: EA.
Features
  • Motor,hydraulic — FSC 4320
  • Mounting Hole Diameter: 0.375 INCHES NOMINAL IN
  • Distance From End to Keyway Center: 0.748 INCHES NOMINAL IN
  • Thread Size: 0.500-14
  • Thread Location: INTERNAL
  • Constant Displacement Per Revolution: 3.000 CUBIC INCHES
  • Screw Thread Series Designator: NPTF
  • Mounting Hole Quantity: 4
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Motor,hydraulic, cataloged under National Stock Number 4320-00-137-4101, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Corporation Div Eaton Fluid Power. Government technical data includes 17 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-137-4101
Primary Part NumberEA
Item NameMotor,hydraulic
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Corporation Div Eaton Fluid Power
StatusACTIVE
Mounting Hole Diameter0.375 INCHES NOMINAL IN
Distance From End to Keyway Center0.748 INCHES NOMINAL IN
Thread Size0.500-14
Thread LocationINTERNAL
Constant Displacement Per Revolution3.000 CUBIC INCHES
Screw Thread Series DesignatorNPTF
Mounting Hole Quantity4
Torque Load Rating123.0 INCH-POUNDS IN
Displacement TypeCONSTANT
Shaft Protrusion Length1.670 INCHES NOMINAL IN
Operating Speed at Rated Capacity in RPM1148.0
Drive Shaft TypeWOODRUFF KEYWAY
Sae Key Size Accommodated808
Mounting Bolt Circle Diameter3.950 INCHES NOMINAL IN
Connection Quantity2
Shaft Diameter1.000 INCHES NOMINAL IN
Shaft Rotation DirectionCLOCKWISE AND COUNTERCLOCKWISE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6520-00-854-249688-0263 INTERCHANGEABLE
Elevator,root
Boss Instruments, Limited Inc
Cross-Reference Index
Part NumberManufacturer
102948-1 Metadure Parts & Sales, Inc. (USA)
EA PRIMARY Eaton Corporation Div Eaton Fluid Power (USA)
Related Parts
6520-00-854-2496INTERCHANGEABLE
ELEVATOR,ROOT
88-0263

Frequently Asked Questions

What is NSN 4320-00-137-4101?

NSN 4320-00-137-4101 is a Motor,hydraulic, manufactured by Eaton Corporation Div Eaton Fluid Power, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-137-4101?

NSN 4320-00-137-4101 has 2 cross-referenced part numbers: 102948-1 (Metadure Parts & Sales, Inc.), EA (Eaton Corporation Div Eaton Fluid Power).

What NSN replaces 4320-00-137-4101?

There is 1 known substitute for 4320-00-137-4101: 6520-00-854-2496. Verify interchangeability with system specifications before substitution.

What are the specifications of EA?

Key specifications for EA: Mounting Hole Diameter: 0.375 INCHES NOMINAL IN; Distance From End to Keyway Center: 0.748 INCHES NOMINAL IN; Thread Size: 0.500-14; Thread Location: INTERNAL. 17 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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