PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W103645T2Hose,air Duct

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4720-00-007-2261 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-007-2261 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-007-2261. Primary manufacturer part number: W103645T2.
Features
  • Hose,air Duct — FSC 4720
  • Wall Thickness: 0.062 INCHES NOMINAL IN
  • Connection Type: SOFT BOTH ENDS
  • Measuring Method and Length: 19.750 INCHES NOMINAL OVERALL IN
  • Material: FIBERGLASS AND COTTON AND RUBBER SYNTHETIC SECOND PLY
  • Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
  • Connection Style: ROUND BOTH ENDS
  • End Overall Length: 2.500 INCHES NOMINAL BOTH ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Fiberglass and Cotton and Rubber Synthetic Second Ply construction
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-00-007-2261, 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 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-007-2261
Primary Part NumberW103645T2
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusCANCELLED
Wall Thickness0.062 INCHES NOMINAL IN
Connection TypeSOFT BOTH ENDS
Measuring Method and Length19.750 INCHES NOMINAL OVERALL IN
MaterialFIBERGLASS AND COTTON AND RUBBER SYNTHETIC SECOND PLY
Style DesignatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
Connection StyleROUND BOTH ENDS
End Overall Length2.500 INCHES NOMINAL BOTH ENDS IN
End Inside Diameter2.000 INCHES NOMINAL BOTH ENDS IN
MaterialRUBBER SYNTHETIC FIRST PLY
MaterialSTEEL REINFORCING WIRE
Inside Diameter2.000 INCHES NOMINAL FIRST END IN
MaterialFIBERGLASS REINFORCING CORD
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4940-00-287-322626-511 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
5306-00-962-26672651-1 INTERCHANGEABLE
Bolt
Solar Turbines Incorporated Dba Solar Turbines Incorporated
4130-01-163-3846E010026 INTERCHANGEABLE
Compressor
Avaho Acquisition Corp Dba Impac
5330-01-233-9984524521 INTERCHANGEABLE
Gasket
Empire Abrasive Equipment Co Lp
3010-01-297-556926511 INTERCHANGEABLE
Coupling,shaft,flexible
Rexnord Industries, Llc Div Couplings Division
4320-01-313-708026511 INTERCHANGEABLE
Pump,rotary
Liquid Metronics Inc
6665-01-599-734248-2829 INTERCHANGEABLE
Meter,digital Scaler-Ratemeter
Ludlum Measurements Inc
4710-01-627-4327H0400600PW2000 INTERCHANGEABLE
Pipe,plastic
Harvel Plastics, Inc.
Cross-Reference Index
Part NumberManufacturer
W103645T2 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
W103645T2 Siemens Energy, Inc. Dba Dresser-Rand (USA)
069-0501 International Diesel Electric Co Inc (USA)
W103645T2 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
26511 PRIMARY Gates Corporation (USA)
W103645T2 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
Related Parts
4940-00-287-3226INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-511
5306-00-962-2667INTERCHANGEABLE
BOLT
2651-1
4130-01-163-3846INTERCHANGEABLE
COMPRESSOR
E010026
5330-01-233-9984INTERCHANGEABLE
GASKET
524521
3010-01-297-5569INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
26511
4320-01-313-7080INTERCHANGEABLE
PUMP,ROTARY
26511
6665-01-599-7342INTERCHANGEABLE
METER,DIGITAL SCALER-RATEMETER
48-2829
4710-01-627-4327INTERCHANGEABLE
PIPE,PLASTIC
H0400600PW2000

Frequently Asked Questions

What is NSN 4720-00-007-2261?

NSN 4720-00-007-2261 is a Hose,air Duct, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-007-2261?

NSN 4720-00-007-2261 has 6 cross-referenced part numbers: W103645T2 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), W103645T2 (Siemens Energy, Inc. Dba Dresser-Rand), 069-0501 (International Diesel Electric Co Inc), W103645T2 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 26511 (Gates Corporation) and 1 more.

What NSN replaces 4720-00-007-2261?

There are 8 known substitutes for 4720-00-007-2261: 4940-00-287-3226, 5306-00-962-2667, 4130-01-163-3846 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W103645T2?

Key specifications for W103645T2: Wall Thickness: 0.062 INCHES NOMINAL IN; Connection Type: SOFT BOTH ENDS; Measuring Method and Length: 19.750 INCHES NOMINAL OVERALL IN; Material: FIBERGLASS AND COTTON AND RUBBER SYNTHETIC SECOND PLY. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-007-2261 still in active supply?

NSN 4720-00-007-2261 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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