PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251111Valve Plate,hydraulic Motor-Pump

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-434-4445 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-434-4445 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-434-4445. Primary manufacturer part number: 251111.
Features
  • Valve Plate,hydraulic Motor-Pump — FSC 4320
  • Material: STEEL
  • Motor-Pump Design Control Activity: 62983
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Valve Plate,hydraulic Motor-Pump, cataloged under National Stock Number 4320-00-434-4445, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-434-4445
Primary Part Number251111
Item NameValve Plate,hydraulic Motor-Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
MaterialSTEEL
Motor-Pump Design Control Activity62983
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-171-87635119944PC5119973 INTERCHANGEABLE
Gasket
General Motors Llc Dba General Motors Llc
5133-00-228-1326 INTERCHANGEABLE
Drill,twist
5330-00-250-58165150900 INTERCHANGEABLE
Gasket
Rolls-Royce Solutions America Inc
5330-00-285-945065030 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5945-01-135-9367251111 INTERCHANGEABLE
Relay,delay
Columbia Machine Inc
4320-01-407-135225111 INTERCHANGEABLE
Motor,hydraulic
Allied Systems Company Dba Allied Systems Co
4720-01-538-2021 INTERCHANGEABLE
Hose Assembly,nonmetallic
8145-01-554-5999CON251111A INTERCHANGEABLE
Container,k-9 Transport
Garrett Container Systems, Inc.
7025-01-588-469925111 INTERCHANGEABLE
Interface Unit,data Transfer
Linksys a Division of Cisco Systems Inc
Cross-Reference Index
Part NumberManufacturer
251111 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
25111 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5330-00-171-8763INTERCHANGEABLE
GASKET
5119944PC5119973
5133-00-228-1326INTERCHANGEABLE
DRILL,TWIST
5330-00-250-5816INTERCHANGEABLE
GASKET
5150900
5330-00-285-9450INTERCHANGEABLE
SEAL,PLAIN ENCASED
65030
5945-01-135-9367INTERCHANGEABLE
RELAY,DELAY
251111
4320-01-407-1352INTERCHANGEABLE
MOTOR,HYDRAULIC
25111
4720-01-538-2021INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
8145-01-554-5999INTERCHANGEABLE
CONTAINER,K-9 TRANSPORT
CON251111A
7025-01-588-4699INTERCHANGEABLE
INTERFACE UNIT,DATA TRANSFER
25111

Frequently Asked Questions

What is NSN 4320-00-434-4445?

NSN 4320-00-434-4445 is a Valve Plate,hydraulic Motor-Pump, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-434-4445?

NSN 4320-00-434-4445 has 2 cross-referenced part numbers: 251111 (Eaton Aerospace, Llc Dba Jackson South), 25111 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-434-4445?

There are 9 known substitutes for 4320-00-434-4445: 5330-00-171-8763, 5133-00-228-1326, 5330-00-250-5816 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 251111?

Key specifications for 251111: Special Features: THK 0.375 IN.; FOUR HOLES 4.000 IN. SQUARE; DIA 0.500 IN.; CENTER HOLE 0.688 IN. DIA; TWO SLOTS 0.250 IN. W; 1.188 IN. LG IN; Material: STEEL; Motor-Pump Design Control Activity: 62983. 3 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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