PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4782-2Hose,air Duct

Flexco, Inc · NSN 4720-00-810-9175 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-810-9175 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-810-9175. Primary manufacturer part number: 4782-2.
Features
  • Hose,air Duct — FSC 4720
  • Material: FIBERGLASS AND RUBBER THIRD PLY
  • End Inside Diameter: 4.000 INCHES NOMINAL BOTH ENDS IN
  • Hose Weight: 9.600 OUNCES PER LINEAR FOOT OZ
  • Connection Type: SOFT BOTH ENDS
  • End Overall Length: 0.250 INCHES NOMINAL BOTH ENDS IN
  • Inside Diameter: 4.000 INCHES NOMINAL FIRST END IN
  • Material: FIBERGLASS AND RUBBER FIRST PLY
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Fiberglass and Rubber Third Ply construction
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-00-810-9175, 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 Flexco, Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-810-9175
Primary Part Number4782-2
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerFlexco, Inc
StatusCANCELLED
MaterialFIBERGLASS AND RUBBER THIRD PLY
End Inside Diameter4.000 INCHES NOMINAL BOTH ENDS IN
Hose Weight9.600 OUNCES PER LINEAR FOOT OZ
Connection TypeSOFT BOTH ENDS
End Overall Length0.250 INCHES NOMINAL BOTH ENDS IN
Inside Diameter4.000 INCHES NOMINAL FIRST END IN
MaterialFIBERGLASS AND RUBBER FIRST PLY
Measuring Method and Length3.000 INCHES NOMINAL OVERALL IN
Minimum Inside Bending Radius8.000 INCHES IN
Cross-Sectional Shape StyleROUND
MaterialFIBERGLASS REINFORCING WIRE
MaterialFIBERGLASS AND RUBBER SECOND PLY
Connection StyleROUND FIRST END
MaterialFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FOURTH PLY
Style DesignatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
Wall Thickness0.040 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4720-00-809-0594USM1008-0001 INTERCHANGEABLE
Hose,air Duct
Flexfab Llc
4720-00-809-05960BW147-4 INTERCHANGEABLE
Hose,air Duct
Flexfab Llc
4720-00-810-868610-20353-501 INTERCHANGEABLE
Hose,air Duct
The Boeing Company Div Defense
4720-00-810-91730BW147 INTERCHANGEABLE
Hose,air Duct
Flexfab Llc
4720-00-816-27360BW147-13 INTERCHANGEABLE
Hose,air Duct
Flexfab Llc
4720-00-838-77110BW147-11 INTERCHANGEABLE
Hose,air Duct
Flexfab Llc
5120-00-892-240647822 INTERCHANGEABLE
Die,crimping Tool
Te Connectivity Corporation
4720-01-218-344810-20353-504 INTERCHANGEABLE
Hose,air Duct
The Boeing Company Div Defense
5325-01-235-981947822 INTERCHANGEABLE
Insert,screw Thread
Jergens Inc Div Tooling Components Division
5985-01-278-64354782-2 INTERCHANGEABLE
Attenuator,fixed
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
Cross-Reference Index
Part NumberManufacturer
4782-2 PRIMARY Flexco, Inc (USA)
BE403-2 Bemco, Inc (USA)
0BW147-2 Flexfab Llc (USA)
10-20353-2 The Boeing Company Div Defense (USA)
10-20353 The Boeing Company Div Defense (USA)
Related Parts
4720-00-809-0594INTERCHANGEABLE
HOSE,AIR DUCT
USM1008-0001
4720-00-809-0596INTERCHANGEABLE
HOSE,AIR DUCT
0BW147-4
4720-00-810-8686INTERCHANGEABLE
HOSE,AIR DUCT
10-20353-501
4720-00-810-9173INTERCHANGEABLE
HOSE,AIR DUCT
0BW147
4720-00-816-2736INTERCHANGEABLE
HOSE,AIR DUCT
0BW147-13
4720-00-838-7711INTERCHANGEABLE
HOSE,AIR DUCT
0BW147-11
5120-00-892-2406INTERCHANGEABLE
DIE,CRIMPING TOOL
47822
4720-01-218-3448INTERCHANGEABLE
HOSE,AIR DUCT
10-20353-504
5325-01-235-9819INTERCHANGEABLE
INSERT,SCREW THREAD
47822
5985-01-278-6435INTERCHANGEABLE
ATTENUATOR,FIXED
4782-2

Frequently Asked Questions

What is NSN 4720-00-810-9175?

NSN 4720-00-810-9175 is a Hose,air Duct, manufactured by Flexco, Inc, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-810-9175?

NSN 4720-00-810-9175 has 5 cross-referenced part numbers: 4782-2 (Flexco, Inc), BE403-2 (Bemco, Inc), 0BW147-2 (Flexfab Llc), 10-20353-2 (The Boeing Company Div Defense), 10-20353 (The Boeing Company Div Defense).

What NSN replaces 4720-00-810-9175?

There are 10 known substitutes for 4720-00-810-9175: 4720-00-809-0594, 4720-00-809-0596, 4720-00-810-8686 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4782-2?

Key specifications for 4782-2: Special Features: U/O B-52; Material: FIBERGLASS AND RUBBER THIRD PLY; End Inside Diameter: 4.000 INCHES NOMINAL BOTH ENDS IN; Hose Weight: 9.600 OUNCES PER LINEAR FOOT OZ. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-810-9175 still in active supply?

NSN 4720-00-810-9175 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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