PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CR226-5Sleeve,compression,tube-Hose Fit

Curtis-Toledo, Inc. · NSN 4730-00-289-1739 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-1739 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-1739. Primary manufacturer part number: CR226-5.
Features
  • Sleeve,compression,tube-Hose Fit — FSC 4730
  • Sleeve Outside Diameter: 1.172 INCHES NOMINAL IN
  • Seat Angle in Deg: 30.000
  • Style Designator: DOUBLE BEVEL FLARELESS
  • Hose/tube Outside Diameter for Which Designed: 1.000 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Casehardening Indicator: NOT CASEHARDENED
  • 2 verified cross-references
Applications
  • Applications requiring Copper Alloy construction
General Description

The Sleeve,compression,tube-Hose Fit, cataloged under National Stock Number 4730-00-289-1739, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Curtis-Toledo, Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-289-1739
Primary Part NumberCR226-5
Item NameSleeve,compression,tube-Hose Fit
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCurtis-Toledo, Inc.
StatusCANCELLED
Sleeve Outside Diameter1.172 INCHES NOMINAL IN
Seat Angle in Deg30.000
Style DesignatorDOUBLE BEVEL FLARELESS
Hose/tube Outside Diameter for Which Designed1.000 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6610-00-343-5618R5-2 INTERCHANGEABLE
Coupling
Kearfott Corporation Div Guidance and Navigation Division
4820-00-664-6655 INTERCHANGEABLE
Valve,regulating,fluid Pressure
5330-00-872-6428 INTERCHANGEABLE
Seal,oil
3455-01-044-6358 INTERCHANGEABLE
Cutter,milling,end
6230-01-102-6534PR-125T/B INTERCHANGEABLE
Light,extension
Spectronics Corporation
5120-01-109-7631 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
CR226-5 PRIMARY Curtis-Toledo, Inc. (USA)
R52 Curtis-Toledo, Inc. (USA)
Related Parts
6610-00-343-5618INTERCHANGEABLE
COUPLING
R5-2
4820-00-664-6655INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
5330-00-872-6428INTERCHANGEABLE
SEAL,OIL
3455-01-044-6358INTERCHANGEABLE
CUTTER,MILLING,END
6230-01-102-6534INTERCHANGEABLE
LIGHT,EXTENSION
PR-125T/B
5120-01-109-7631INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4730-00-289-1739?

NSN 4730-00-289-1739 is a Sleeve,compression,tube-Hose Fit, manufactured by Curtis-Toledo, Inc., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-289-1739?

NSN 4730-00-289-1739 has 2 cross-referenced part numbers: CR226-5 (Curtis-Toledo, Inc.), R52 (Curtis-Toledo, Inc.).

What NSN replaces 4730-00-289-1739?

There are 6 known substitutes for 4730-00-289-1739: 6610-00-343-5618, 4820-00-664-6655, 5330-00-872-6428 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CR226-5?

Key specifications for CR226-5: Sleeve Outside Diameter: 1.172 INCHES NOMINAL IN; Seat Angle in Deg: 30.000; Style Designator: DOUBLE BEVEL FLARELESS; Hose/tube Outside Diameter for Which Designed: 1.000 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-289-1739 still in active supply?

NSN 4730-00-289-1739 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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