PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6403Disk,valve

Eaton Corporation Div Eaton Fluid Power · NSN 4820-00-304-4143 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-304-4143 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-304-4143. Primary manufacturer part number: 6403.
Features
  • Disk,valve — FSC 4820
  • Lower Surface Width: 0.175 INCHES NOMINAL IN
  • Outside Diameter: 0.200 INCHES NOMINAL IN
  • Material: PLASTIC
  • 2 verified cross-references
  • Primary manufacturer: Eaton Corporation Div Eaton Fluid Power
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-304-4143, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corporation Div Eaton Fluid Power. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN4820-00-304-4143
Primary Part Number6403
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Corporation Div Eaton Fluid Power
StatusACTIVE
Lower Surface Width0.175 INCHES NOMINAL IN
Outside Diameter0.200 INCHES NOMINAL IN
MaterialPLASTIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-144-8507 INTERCHANGEABLE
Bearing,ball,annular
3010-00-203-1649258B1027 INTERCHANGEABLE
Coupling,shaft,flexible
General Dynamics Mission Systems, Inc. Dba Gdms
5915-00-496-20402920137-3 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6680-00-499-51815135238 INTERCHANGEABLE
Gage Rod,liquid Level
Rolls-Royce Solutions America Inc
2815-00-511-2586BM35791 INTERCHANGEABLE
Guide,valve
Cummins Inc.
5975-00-564-621532Z2B1 INTERCHANGEABLE
Cable Nipple,electrical
Bell Textron Inc
5305-00-948-4042 INTERCHANGEABLE
Screw,machine
6230-01-031-0847 INTERCHANGEABLE
Handle,extension Light
5340-01-038-05966403 INTERCHANGEABLE
Boot,dust and Moisture Seal
Auto Crane Company
4730-01-204-8795 INTERCHANGEABLE
Strainer Element,sediment
Cross-Reference Index
Part NumberManufacturer
A24013-10-17 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
6403 PRIMARY Eaton Corporation Div Eaton Fluid Power (USA)
Related Parts
3110-00-144-8507INTERCHANGEABLE
BEARING,BALL,ANNULAR
3010-00-203-1649INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
258B1027
5915-00-496-2040INTERCHANGEABLE
FILTER,BAND PASS
2920137-3
6680-00-499-5181INTERCHANGEABLE
GAGE ROD,LIQUID LEVEL
5135238
2815-00-511-2586INTERCHANGEABLE
GUIDE,VALVE
BM35791
5975-00-564-6215INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
32Z2B1
5305-00-948-4042INTERCHANGEABLE
SCREW,MACHINE
6230-01-031-0847INTERCHANGEABLE
HANDLE,EXTENSION LIGHT
5340-01-038-0596INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
6403
4730-01-204-8795INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
5120-01-335-9099INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5985-01-443-7443INTERCHANGEABLE
COUPLER,ANTENNA
6403

Frequently Asked Questions

What is NSN 4820-00-304-4143?

NSN 4820-00-304-4143 is a Disk,valve, manufactured by Eaton Corporation Div Eaton Fluid Power, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-304-4143?

NSN 4820-00-304-4143 has 2 cross-referenced part numbers: A24013-10-17 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 6403 (Eaton Corporation Div Eaton Fluid Power).

What NSN replaces 4820-00-304-4143?

There are 12 known substitutes for 4820-00-304-4143: 3110-00-144-8507, 3010-00-203-1649, 5915-00-496-2040 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6403?

Key specifications for 6403: Overall Height: 0.285 INCHES NOMINAL IN; Lower Surface Width: 0.175 INCHES NOMINAL IN; Outside Diameter: 0.200 INCHES NOMINAL IN; Material: PLASTIC. 4 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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