PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-4 FBU-SAdapter,straight,tube to Gas Fit

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-01-649-4906 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-649-4906 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-649-4906. Primary manufacturer part number: 5-4 FBU-S.
Features
  • Adapter,straight,tube to Gas Fit — FSC 4730
  • Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Thread Quantity Per Inch: 18 SECOND END
  • Style Designator: CENTER WRENCHING FACILITY
  • Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Body construction
General Description

The Adapter,straight,tube to Gas Fit, cataloged under National Stock Number 4730-01-649-4906, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4730-01-649-4906
Primary Part Number5-4 FBU-S
Item NameAdapter,straight,tube to Gas Fit
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusACTIVE
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Quantity Per Inch18 SECOND END
Style DesignatorCENTER WRENCHING FACILITY
Nominal Outside Diameter Tube Accommodated0.312 INCHES FIRST END IN
Nominal Thread Size0.250 INCHES SECOND END IN
Thread Series DesignatorNPTF SECOND END
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-913-9737 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
5-4 FBU-S PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
Related Parts
4730-00-913-9737INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4730-01-649-4906?

NSN 4730-01-649-4906 is a Adapter,straight,tube to Gas Fit, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-649-4906?

NSN 4730-01-649-4906 has 1 cross-referenced part number: 5-4 FBU-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).

What NSN replaces 4730-01-649-4906?

There is 1 known substitute for 4730-01-649-4906: 4730-00-913-9737. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-4 FBU-S?

Key specifications for 5-4 FBU-S: Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Connection Type: THREADED EXTERNAL PIPE SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Thread Quantity Per Inch: 18 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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