PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4026109Adapter,straight,flange to Tube

Textron Aviation Inc · NSN 4730-00-512-1149 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-512-1149 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-512-1149. Primary manufacturer part number: 4026109.
Features
  • Adapter,straight,flange to Tube — FSC 4730
  • Flange Face Design: PLAIN SECOND END
  • Material Document and Classification: QQ-A-596 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Flange Shape: ROUND WITH HOLES SECOND END
  • Connection Type: FLANGE SECOND END
  • Bolt Hole Quantity: 6 SECOND END
  • Connection Style: PLAIN (TUBE) FIRST END
  • Nominal Outside Diameter: 2.770 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-00-512-1149, 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 Textron Aviation Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-512-1149
Primary Part Number4026109
Item NameAdapter,straight,flange to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTextron Aviation Inc
StatusACTIVE
Flange Face DesignPLAIN SECOND END
Material Document and ClassificationQQ-A-596 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Flange ShapeROUND WITH HOLES SECOND END
Connection TypeFLANGE SECOND END
Bolt Hole Quantity6 SECOND END
Connection StylePLAIN (TUBE) FIRST END
Nominal Outside Diameter2.770 INCHES SECOND END IN
Nominal Overall Length3.100 INCHES IN
Nominal Outside Diameter Tube Accommodated0.620 INCHES FIRST END IN
Connection TypeUNTHREADED EXTERNAL TUBE FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4720-00-189-53522826749 INTERCHANGEABLE
Hose,preformed
Chrysler Corp Service and Parts Opns
Cross-Reference Index
Part NumberManufacturer
4026109 Cessna Aircraft Company Dba Textron Aviation (USA)
4026109 PRIMARY Textron Aviation Inc (USA)
Related Parts
4720-00-189-5352INTERCHANGEABLE
HOSE,PREFORMED
2826749

Frequently Asked Questions

What is NSN 4730-00-512-1149?

NSN 4730-00-512-1149 is a Adapter,straight,flange to Tube, manufactured by Textron Aviation Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-512-1149?

NSN 4730-00-512-1149 has 2 cross-referenced part numbers: 4026109 (Cessna Aircraft Company Dba Textron Aviation), 4026109 (Textron Aviation Inc).

What NSN replaces 4730-00-512-1149?

There is 1 known substitute for 4730-00-512-1149: 4720-00-189-5352. Verify interchangeability with system specifications before substitution.

What are the specifications of 4026109?

Key specifications for 4026109: Flange Face Design: PLAIN SECOND END; Material Document and Classification: QQ-A-596 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Flange Shape: ROUND WITH HOLES SECOND END; Connection Type: FLANGE SECOND END. 10 total characteristics are documented in the Federal Logistics Information System.

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