PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

656-3Tubing,nonmetallic

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4720-00-059-3392 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-059-3392 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-059-3392. Primary manufacturer part number: 656-3.
Features
  • Tubing,nonmetallic — FSC 4720
  • Outside Diameter: 0.510 INCHES NOMINAL IN
  • Exterior Color: ORANGE
  • Inside Surface Condition: SMOOTH
  • Flexibility: FLEXIBLE
  • Cross-Sectional Shape Style: ROUND
  • Inside Diameter: 0.440 INCHES NOMINAL IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE TUBE
Applications
  • Applications requiring Plastic Polytetrafluoroethylene Tube construction
General Description

The Tubing,nonmetallic, cataloged under National Stock Number 4720-00-059-3392, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-059-3392
Primary Part Number656-3
Item NameTubing,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusACTIVE
Outside Diameter0.510 INCHES NOMINAL IN
Exterior ColorORANGE
Inside Surface ConditionSMOOTH
FlexibilityFLEXIBLE
Cross-Sectional Shape StyleROUND
Inside Diameter0.440 INCHES NOMINAL IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE TUBE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3020-00-094-3353 INTERCHANGEABLE
Pinion
4320-00-394-2532659Z0252 INTERCHANGEABLE
Sleeve,shaft,pump
Circor Naval Solutions Llc Dba Warren Pumps
4320-00-847-7571H100 INTERCHANGEABLE
Ring,lantern
Circor Naval Solutions Llc Dba Warren Pumps
4810-01-053-2951MA11A1062B INTERCHANGEABLE
Valve,gate
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
5915-01-236-6734NL337 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cummins Inc.
3040-01-422-86896563 INTERCHANGEABLE
Adapter,housing
Ims Engineered Products Llc
3040-01-593-00486563 INTERCHANGEABLE
Shaft,straight
Ameridrives International, Llc Dba Ameridrives International Llc
Cross-Reference Index
Part NumberManufacturer
R103-8 Smiths Tubular Systems-Laconia, Inc. (USA)
R5400-520 Resistoflex Corp Southwestern Div (USA)
656-3 Satair A/s (DNK)
148-14594-3 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
R5400-520 Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA)
656-3 PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
2637-13B Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA)
Related Parts
3020-00-094-3353INTERCHANGEABLE
PINION
4320-00-394-2532INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
659Z0252
4320-00-847-7571INTERCHANGEABLE
RING,LANTERN
H100
4810-01-053-2951INTERCHANGEABLE
VALVE,GATE
MA11A1062B
5915-01-236-6734INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
NL337
3040-01-422-8689INTERCHANGEABLE
ADAPTER,HOUSING
6563
3040-01-593-0048INTERCHANGEABLE
SHAFT,STRAIGHT
6563

Frequently Asked Questions

What is NSN 4720-00-059-3392?

NSN 4720-00-059-3392 is a Tubing,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 4720-00-059-3392?

NSN 4720-00-059-3392 has 7 cross-referenced part numbers: R103-8 (Smiths Tubular Systems-Laconia, Inc.), R5400-520 (Resistoflex Corp Southwestern Div), 656-3 (Satair A/s), 148-14594-3 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), R5400-520 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division) and 2 more.

What NSN replaces 4720-00-059-3392?

There are 7 known substitutes for 4720-00-059-3392: 3020-00-094-3353, 4320-00-394-2532, 4320-00-847-7571 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 656-3?

Key specifications for 656-3: Outside Diameter: 0.510 INCHES NOMINAL IN; Exterior Color: ORANGE; Inside Surface Condition: SMOOTH; Flexibility: FLEXIBLE. 7 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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