PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10-20353-3Hose,air Duct

The Boeing Company Div Defense · NSN 4720-00-810-9172 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-810-9172 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-810-9172. Primary manufacturer part number: 10-20353-3.
Features
  • Hose,air Duct — FSC 4720
  • Material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY
  • Material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY
  • Inside Diameter: 4.500 INCHES NOMINAL FIRST END IN
  • End Inside Diameter: 4.500 INCHES NOMINAL BOTH ENDS IN
  • Measuring Method and Length: 3.560 INCHES NOMINAL OVERALL IN
  • Style Designator: SLEEVE SECTION
  • Material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR THIRD PLY
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Fiberglass and Rubber Chloroprene Class Cr Second Ply construction
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-00-810-9172, 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 The Boeing Company Div Defense. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-810-9172
Primary Part Number10-20353-3
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusCANCELLED
MaterialFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY
MaterialFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY
Inside Diameter4.500 INCHES NOMINAL FIRST END IN
End Inside Diameter4.500 INCHES NOMINAL BOTH ENDS IN
Measuring Method and Length3.560 INCHES NOMINAL OVERALL IN
Style DesignatorSLEEVE SECTION
MaterialFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR THIRD PLY
Operating Pressure12.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Connection StyleROUND FIRST END
Wall Thickness0.040 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Connection TypePREFORMED BOTH ENDS
End Overall Length0.280 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3030-00-106-179910-637 INTERCHANGEABLE
Belt,v
Kut Kwick Corp
5310-00-188-423310962 INTERCHANGEABLE
Washer,flat
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
4820-00-708-255948723 INTERCHANGEABLE
Seat,valve
Triumph Engine Control Systems Llc
5340-01-611-944410054936 INTERCHANGEABLE
Bracket,mounting
General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
Cross-Reference Index
Part NumberManufacturer
0BW147-3 Flexfab Llc (USA)
BE403-3 Bemco, Inc (USA)
4872-3 Flexco, Inc (USA)
USM1008-0003 Flexfab Llc (USA)
10-20353-3 PRIMARY The Boeing Company Div Defense (USA)
BE403-3 Bemco Inc Dba Bemco (USA)
Related Parts
3030-00-106-1799INTERCHANGEABLE
BELT,V
10-637
5310-00-188-4233INTERCHANGEABLE
WASHER,FLAT
10962
4820-00-708-2559INTERCHANGEABLE
SEAT,VALVE
48723
5340-01-611-9444INTERCHANGEABLE
BRACKET,MOUNTING
10054936

Frequently Asked Questions

What is NSN 4720-00-810-9172?

NSN 4720-00-810-9172 is a Hose,air Duct, manufactured by The Boeing Company Div Defense, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-810-9172?

NSN 4720-00-810-9172 has 6 cross-referenced part numbers: 0BW147-3 (Flexfab Llc), BE403-3 (Bemco, Inc), 4872-3 (Flexco, Inc), USM1008-0003 (Flexfab Llc), 10-20353-3 (The Boeing Company Div Defense) and 1 more.

What NSN replaces 4720-00-810-9172?

There are 4 known substitutes for 4720-00-810-9172: 3030-00-106-1799, 5310-00-188-4233, 4820-00-708-2559 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10-20353-3?

Key specifications for 10-20353-3: Material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY; Material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY; Inside Diameter: 4.500 INCHES NOMINAL FIRST END IN; End Inside Diameter: 4.500 INCHES NOMINAL BOTH ENDS IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-810-9172 still in active supply?

NSN 4720-00-810-9172 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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