PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666-12Hose,nonmetallic

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4720-00-973-5484 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-973-5484 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-973-5484. Primary manufacturer part number: 666-12.
Features
  • Hose,nonmetallic — FSC 4720
  • Exterior Color: NATURAL
  • Minimum Inside Bending Radius: 6.500 INCHES IN
  • Inside Diameter: 0.625 INCHES NOMINAL IN
  • Burst Test Pressure: 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
  • Outside Diameter: 0.789 INCHES NOMINAL IN
  • Hydrostatic Test Pressure: 2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
  • Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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 4720-00-973-5484, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4720-00-973-5484
Primary Part Number666-12
Item NameHose,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusACTIVE
Exterior ColorNATURAL
Minimum Inside Bending Radius6.500 INCHES IN
Inside Diameter0.625 INCHES NOMINAL IN
Burst Test Pressure5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
Outside Diameter0.789 INCHES NOMINAL IN
Hydrostatic Test Pressure2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
Operating Pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Outer Covering Environmental ProtectionCORROSION RESISTANT
Measuring Method and Length2.812 INCHES NOMINAL EXCLUDING END FITTINGS IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE TUBE
Inside Surface ConditionSMOOTH
Vacuum in Torr50.8
Temp Rating-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Layer Composition and LocationOUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5210-01-023-0334599-9642-120 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
1680-01-155-67396661-2 INTERCHANGEABLE
Spring Assembly,fir
Meggitt Safety Systems Inc
7021-01-588-9488RMC6121A-1 INTERCHANGEABLE
Computer,digital
Acnodes Corporation Dba Acnodes Corp
Cross-Reference Index
Part NumberManufacturer
666-12 PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
666-12 Satair A/s (DNK)
3H379-12 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
Related Parts
5210-01-023-0334INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-120
1680-01-155-6739INTERCHANGEABLE
SPRING ASSEMBLY,FIR
6661-2
7021-01-588-9488INTERCHANGEABLE
COMPUTER,DIGITAL
RMC6121A-1

Frequently Asked Questions

What is NSN 4720-00-973-5484?

NSN 4720-00-973-5484 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 4720-00-973-5484?

NSN 4720-00-973-5484 has 3 cross-referenced part numbers: 666-12 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 666-12 (Satair A/s), 3H379-12 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).

What NSN replaces 4720-00-973-5484?

There are 3 known substitutes for 4720-00-973-5484: 5210-01-023-0334, 1680-01-155-6739, 7021-01-588-9488. Verify interchangeability with system specifications before substitution.

What are the specifications of 666-12?

Key specifications for 666-12: Exterior Color: NATURAL; Minimum Inside Bending Radius: 6.500 INCHES IN; Inside Diameter: 0.625 INCHES NOMINAL IN; Burst Test Pressure: 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. 15 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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