PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A51H9009-11Motor-Pump,hydraulic

Northrop Grumman Systems Corporation · NSN 4320-00-473-1495 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-473-1495 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-473-1495. Primary manufacturer part number: A51H9009-11.
Features
  • Motor-Pump,hydraulic — FSC 4320
  • General Characteristics Item Description: 4.625 IN. H,5.625 IN. W,16.500 IN. LG,45 PSIG INLET PRESSURE,5750 RPM IN
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTROLLING DWG A51H9009 FSCM 26512
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Motor-Pump,hydraulic, cataloged under National Stock Number 4320-00-473-1495, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4320-00-473-1495
Primary Part NumberA51H9009-11
Item NameMotor-Pump,hydraulic
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
General Characteristics Item Description4.625 IN. H,5.625 IN. W,16.500 IN. LG,45 PSIG INLET PRESSURE,5750 RPM IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SOURCE CONTROLLING DWG A51H9009 FSCM 26512
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5420-01-495-7556125984 INTERCHANGEABLE
Pin,pontoon Boat
Jered Llc
Cross-Reference Index
Part NumberManufacturer
A51H9009-11 Northrop Grumman Systems Corporation (USA)
A51H9009-11 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA)
63043-01 Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5420-01-495-7556INTERCHANGEABLE
PIN,PONTOON BOAT
125984

Frequently Asked Questions

What is NSN 4320-00-473-1495?

NSN 4320-00-473-1495 is a Motor-Pump,hydraulic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-473-1495?

NSN 4320-00-473-1495 has 3 cross-referenced part numbers: A51H9009-11 (Northrop Grumman Systems Corporation), A51H9009-11 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), 63043-01 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4320-00-473-1495?

There is 1 known substitute for 4320-00-473-1495: 5420-01-495-7556. Verify interchangeability with system specifications before substitution.

What are the specifications of A51H9009-11?

Key specifications for A51H9009-11: General Characteristics Item Description: 4.625 IN. H,5.625 IN. W,16.500 IN. LG,45 PSIG INLET PRESSURE,5750 RPM IN; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTROLLING DWG A51H9009 FSCM 26512. 2 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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