PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51040-2Valve,linear,directional Control

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 4810-00-561-5373 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-561-5373 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-561-5373. Primary manufacturer part number: 51040-2.
Features
  • Valve,linear,directional Control — FSC 4810
  • 3 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4810-00-561-5373, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4810-00-561-5373
Primary Part Number51040-2
Item NameValve,linear,directional Control
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
6605-00-149-1338 INTERCHANGEABLE
Gyro Assembly
5133-00-266-9466 INTERCHANGEABLE
Drill,twist
4330-00-336-0687094EP-3 INTERCHANGEABLE
Filter Element,fluid
Tvh Parts Co.
2805-00-423-102851040 INTERCHANGEABLE
Parts Kit,engine Oil Pump
Trw Inc Trw Intl Trade Government Sales Dept
5310-01-107-770351040 INTERCHANGEABLE
Nut
Mcneil Ohio Corp
2940-01-145-945651040 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
6110-01-314-7536 INTERCHANGEABLE
Panel,power Distribution
6515-01-371-2439 INTERCHANGEABLE
Housing,intake Valve Innerpart,r
4130-01-698-384051040 INTERCHANGEABLE
Damper,air Duct
Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies
Cross-Reference Index
Part NumberManufacturer
668243-5 Lockheed Martin Corp (USA)
51040-2 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
51040 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
6605-00-149-1338INTERCHANGEABLE
GYRO ASSEMBLY
5133-00-266-9466INTERCHANGEABLE
DRILL,TWIST
4330-00-336-0687INTERCHANGEABLE
FILTER ELEMENT,FLUID
094EP-3
2805-00-423-1028INTERCHANGEABLE
PARTS KIT,ENGINE OIL PUMP
51040
5310-01-107-7703INTERCHANGEABLE
NUT
51040
2940-01-145-9456INTERCHANGEABLE
FILTER ELEMENT,FLUID
51040
6110-01-314-7536INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
6515-01-371-2439INTERCHANGEABLE
HOUSING,INTAKE VALVE INNERPART,R
4130-01-698-3840INTERCHANGEABLE
DAMPER,AIR DUCT
51040

Frequently Asked Questions

What is NSN 4810-00-561-5373?

NSN 4810-00-561-5373 is a Valve,linear,directional Control, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4810 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4810-00-561-5373?

NSN 4810-00-561-5373 has 3 cross-referenced part numbers: 668243-5 (Lockheed Martin Corp), 51040-2 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 51040 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What NSN replaces 4810-00-561-5373?

There are 9 known substitutes for 4810-00-561-5373: 6605-00-149-1338, 5133-00-266-9466, 4330-00-336-0687 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51040-2?

Key specifications for 51040-2: Special Features: TYPE 3-WAY 2-POSN,MANUALLY OPERATED,OPERATING PRESSURE 3000 PSI,OPERATING TEMP AMBIENT AND FLUID M65 TO P275 DEG F,RATED FLOW 10 GPM,OPERATING MED MIL-H-5606,PORTS THREE AND10050-8,LG 3.50 IN.,W 1.25 IN.,H 2.69 IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4810-00-561-5373 still in active supply?

NSN 4810-00-561-5373 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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