PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666-10Hose,nonmetallic

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4720-00-838-7454 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-838-7454 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-838-7454. Primary manufacturer part number: 666-10.
Features
  • Hose,nonmetallic — FSC 4720
  • Inside Diameter: 0.500 INCHES NOMINAL IN
  • Exterior Color: NATURAL
  • Minimum Inside Bending Radius: 5.500 INCHES IN
  • Burst Test Pressure: 7000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
  • Layer Composition and Location: OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
  • Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Outside Diameter: 0.687 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polytetrafluoroethylene Tube construction
General Description

The Hose,nonmetallic, cataloged under National Stock Number 4720-00-838-7454, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 13 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-838-7454
Primary Part Number666-10
Item NameHose,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusACTIVE
Inside Diameter0.500 INCHES NOMINAL IN
Exterior ColorNATURAL
Minimum Inside Bending Radius5.500 INCHES IN
Burst Test Pressure7000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
Layer Composition and LocationOUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
Temp Rating-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Outside Diameter0.687 INCHES NOMINAL IN
Inside Surface ConditionSMOOTH
Measuring Method and Length2.656 INCHES NOMINAL EXCLUDING END FITTINGS IN
Hydrostatic Test Pressure3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
MaterialPLASTIC POLYTETRAFLUOROETHYLENE TUBE
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3120-00-479-182766610 INTERCHANGEABLE
Bearing,sleeve
Textron Lycoming Inc Williamsport Plant
4720-00-857-1730 INTERCHANGEABLE
Hose,nonmetallic
5330-01-259-637166610 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
666-10 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
3H379-10 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
Related Parts
3120-00-479-1827INTERCHANGEABLE
BEARING,SLEEVE
66610
4720-00-857-1730INTERCHANGEABLE
HOSE,NONMETALLIC
5330-01-259-6371INTERCHANGEABLE
GASKET
66610

Frequently Asked Questions

What is NSN 4720-00-838-7454?

NSN 4720-00-838-7454 is a Hose,nonmetallic, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-838-7454?

NSN 4720-00-838-7454 has 2 cross-referenced part numbers: 666-10 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 3H379-10 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).

What NSN replaces 4720-00-838-7454?

There are 3 known substitutes for 4720-00-838-7454: 3120-00-479-1827, 4720-00-857-1730, 5330-01-259-6371. Verify interchangeability with system specifications before substitution.

What are the specifications of 666-10?

Key specifications for 666-10: Inside Diameter: 0.500 INCHES NOMINAL IN; Exterior Color: NATURAL; Minimum Inside Bending Radius: 5.500 INCHES IN; Burst Test Pressure: 7000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. 13 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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