PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M51A997BEOF20-25Motor,hydraulic

Parker Hannifin Corporation Div Cylinder Division · NSN 2540-01-399-5685 · FSC 2540 · No Item Name Available
Verified by PartsTable
NSN 2540-01-399-5685 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-399-5685. Primary manufacturer part number: M51A997BEOF20-25.
Features
  • Motor,hydraulic — FSC 2540
  • Displacement Type: CONSTANT
  • Thread Location: EXTERNAL
  • Mounting Type: FLANGE
  • Connection Type: INLET
  • Mounting Hole Quantity: 2
  • Shaft Rotation Direction: CLOCKWISE
  • Thread Direction: RIGHT-HAND
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Motor,hydraulic, cataloged under National Stock Number 2540-01-399-5685, is classified within Federal Supply Class 2540 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Parker Hannifin Corporation Div Cylinder Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN2540-01-399-5685
Primary Part NumberM51A997BEOF20-25
Item NameMotor,hydraulic
FSC / FSG2540 / 25 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Cylinder Division
StatusACTIVE
Displacement TypeCONSTANT
Thread LocationEXTERNAL
Mounting TypeFLANGE
Connection TypeINLET
Mounting Hole Quantity2
Shaft Rotation DirectionCLOCKWISE
Thread DirectionRIGHT-HAND
Drive Shaft TypeMACHINE KEYWAY
Connection DesignTHREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
5120-00-089-3160M22520/5-01,/5-35 INTERCHANGEABLE
Crimping Tool,terminal,hand
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
M51A997BE0F20-2 Parker Hannifin Corporation Div Cylinder Division (USA)
M51A997BEOF20-25 PRIMARY Parker Hannifin Corporation Div Cylinder Division (USA)
227125 PRIMARY Allied Systems Company Dba Allied Systems Co (USA)
Related Parts
5120-00-089-3160INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
M22520/5-01,/5-35

Frequently Asked Questions

What is NSN 2540-01-399-5685?

NSN 2540-01-399-5685 is a Motor,hydraulic, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 2540 (No Item Name Available). Status: active.

What are the part numbers for NSN 2540-01-399-5685?

NSN 2540-01-399-5685 has 3 cross-referenced part numbers: M51A997BE0F20-2 (Parker Hannifin Corporation Div Cylinder Division), M51A997BEOF20-25 (Parker Hannifin Corporation Div Cylinder Division), 227125 (Allied Systems Company Dba Allied Systems Co).

What NSN replaces 2540-01-399-5685?

There is 1 known substitute for 2540-01-399-5685: 5120-00-089-3160. Verify interchangeability with system specifications before substitution.

What are the specifications of M51A997BEOF20-25?

Key specifications for M51A997BEOF20-25: Displacement Type: CONSTANT; Thread Location: EXTERNAL; Mounting Type: FLANGE; Connection Type: INLET. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com