PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5027-51Valve,linear,directional Control

Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations · NSN 4810-01-056-8603 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-056-8603 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-056-8603. Primary manufacturer part number: 5027-51.
Features
  • Valve,linear,directional Control — FSC 4810
  • 8 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4810-01-056-8603, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations. This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-056-8603
Primary Part Number5027-51
Item NameValve,linear,directional Control
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-004-0221986051-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5930-00-328-1683 INTERCHANGEABLE
Switch,pressure
5950-00-351-7897SM-B-342457 INTERCHANGEABLE
Electromagnet
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-355-2428 INTERCHANGEABLE
Stem,fluid Valve
6685-00-456-859931-10065-70 INTERCHANGEABLE
Indicator,pressure
Pti Technologies Inc.
3455-00-463-2336 INTERCHANGEABLE
File,rotary
5355-00-519-517050275-1 INTERCHANGEABLE
Dial,scale
Ambac International Corporation Div Ambac International
4820-01-013-264660249-1 INTERCHANGEABLE
Valve,external Relief
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
3110-01-223-663450271 INTERCHANGEABLE
Bearing,ball,annular
Black and Decker Us Inc
5995-01-376-15295187171-8 INTERCHANGEABLE
Cable Assembly,radio Frequency
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
16VP015 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
4810PL1690795 Jednolity Indeks Materialowy - Uniform Material Index (POL)
4810PL1616816 Jednolity Indeks Materialowy - Uniform Material Index (POL)
516VP915-1 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
5027-51 PRIMARY Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA)
16VP015-1 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
5027-51 Xar Industries Inc (USA)
5027-1 Xar Industries Inc (USA)
Related Parts
5950-00-004-0221INTERCHANGEABLE
REACTOR
986051-1
5930-00-328-1683INTERCHANGEABLE
SWITCH,PRESSURE
5950-00-351-7897INTERCHANGEABLE
ELECTROMAGNET
SM-B-342457
4820-00-355-2428INTERCHANGEABLE
STEM,FLUID VALVE
6685-00-456-8599INTERCHANGEABLE
INDICATOR,PRESSURE
31-10065-70
3455-00-463-2336INTERCHANGEABLE
FILE,ROTARY
5355-00-519-5170INTERCHANGEABLE
DIAL,SCALE
50275-1
4820-01-013-2646INTERCHANGEABLE
VALVE,EXTERNAL RELIEF
60249-1
3110-01-223-6634INTERCHANGEABLE
BEARING,BALL,ANNULAR
50271
5995-01-376-1529INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
5187171-8
7025-01-455-9651INTERCHANGEABLE
DISK DRIVE UNIT
5340-01-516-2976INTERCHANGEABLE
BRACKET,MOUNTING
5027-1

Frequently Asked Questions

What is NSN 4810-01-056-8603?

NSN 4810-01-056-8603 is a Valve,linear,directional Control, manufactured by Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-056-8603?

NSN 4810-01-056-8603 has 8 cross-referenced part numbers: 16VP015 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 4810PL1690795 (Jednolity Indeks Materialowy - Uniform Material Index), 4810PL1616816 (Jednolity Indeks Materialowy - Uniform Material Index), 516VP915-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 5027-51 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations) and 3 more.

What NSN replaces 4810-01-056-8603?

There are 12 known substitutes for 4810-01-056-8603: 5950-00-004-0221, 5930-00-328-1683, 5950-00-351-7897 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5027-51?

Key specifications for 5027-51: Special Features: CURRENT 1.00 AMPS AT 90.0 DEG F AND 1.25 AMPS AT -65 DEG F,30.0 VDC,3 PORTS,SOLENOID OPERATED,4 MOUNTING HOLES 0.219 IN. TO 0.227 IN. DIA VDC. 1 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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