PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3209077Hose,air Duct

Arrowhead Products Corp · NSN 4720-00-640-6783 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-640-6783 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-640-6783. Primary manufacturer part number: 3209077.
Features
  • Hose,air Duct — FSC 4720
  • Inside Diameter: 5.250 INCHES NOMINAL FIRST END IN
  • Connection Type: PREFORMED FIRST END
  • Wall Thickness: 0.035 INCHES NOMINAL IN
  • Connection Type: PREFORMED SECOND END
  • End Overall Length: 1.250 INCHES NOMINAL FIRST END IN
  • End Overall Length: 1.156 INCHES NOMINAL SECOND END IN
  • Measuring Method and Length: 5.219 INCHES NOMINAL OVERALL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-00-640-6783, 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 Arrowhead Products Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-640-6783
Primary Part Number3209077
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerArrowhead Products Corp
StatusCANCELLED
Inside Diameter5.250 INCHES NOMINAL FIRST END IN
Connection TypePREFORMED FIRST END
Wall Thickness0.035 INCHES NOMINAL IN
Connection TypePREFORMED SECOND END
End Overall Length1.250 INCHES NOMINAL FIRST END IN
End Overall Length1.156 INCHES NOMINAL SECOND END IN
Measuring Method and Length5.219 INCHES NOMINAL OVERALL IN
Operating Pressure3.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Style DesignatorFULLY CONVOLUTED
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6625-00-133-4631PL1293U INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Joint Electronics Type Designation System
6625-01-247-04751A2 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Tektronix, Inc.
4940-01-257-0644FR00135 INTERCHANGEABLE
Axle Assembly,front
Sioux Corporation Dba Sioux Corp
4920-01-300-198492314 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
6130-01-513-39111A2 INTERCHANGEABLE
Power Supply
U S Dept of Transportation Federal Aviation Administration
Cross-Reference Index
Part NumberManufacturer
92314 Northrop Grumman Systems Corporation (USA)
3209077 PRIMARY Arrowhead Products Corp (USA)
1A2 Arrowhead Products Corp (USA)
WAIT-21-21-5 Hbd Industries, Inc Div Hbd/thermoid Inc (USA)
Related Parts
6625-00-133-4631INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
PL1293U
6625-01-247-0475INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
1A2
4940-01-257-0644INTERCHANGEABLE
AXLE ASSEMBLY,FRONT
FR00135
4920-01-300-1984INTERCHANGEABLE
TEST PROGRAM SET
92314
6130-01-513-3911INTERCHANGEABLE
POWER SUPPLY
1A2

Frequently Asked Questions

What is NSN 4720-00-640-6783?

NSN 4720-00-640-6783 is a Hose,air Duct, manufactured by Arrowhead Products Corp, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-640-6783?

NSN 4720-00-640-6783 has 4 cross-referenced part numbers: 92314 (Northrop Grumman Systems Corporation), 3209077 (Arrowhead Products Corp), 1A2 (Arrowhead Products Corp), WAIT-21-21-5 (Hbd Industries, Inc Div Hbd/thermoid Inc).

What NSN replaces 4720-00-640-6783?

There are 5 known substitutes for 4720-00-640-6783: 6625-00-133-4631, 6625-01-247-0475, 4940-01-257-0644 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3209077?

Key specifications for 3209077: Inside Diameter: 5.250 INCHES NOMINAL FIRST END IN; Connection Type: PREFORMED FIRST END; Wall Thickness: 0.035 INCHES NOMINAL IN; Connection Type: PREFORMED SECOND END. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-640-6783 still in active supply?

NSN 4720-00-640-6783 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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