PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6XHBU-SSCoupling,tube

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-01-307-8435 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-307-8435 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-307-8435. Primary manufacturer part number: 6XHBU-SS.
Features
  • Coupling,tube — FSC 4730
  • Thread Series Designator: UNF FIRST END
  • Nominal Thread Size: 0.562 INCHES SECOND END IN
  • Furnished Items and Quantity: 1 TUBE COUPLING NUT
  • Connection Type: THREADED EXTERNAL TUBE SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES SECOND END IN
  • Thread Class: 2A SECOND END A
  • Style Designator: RIGID, CENTER WRENCHING FACILITY
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Coupling,tube, cataloged under National Stock Number 4730-01-307-8435, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-307-8435
Primary Part Number6XHBU-SS
Item NameCoupling,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusACTIVE
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.562 INCHES SECOND END IN
Furnished Items and Quantity1 TUBE COUPLING NUT
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Nominal Outside Diameter Tube Accommodated0.375 INCHES SECOND END IN
Thread Class2A SECOND END A
Style DesignatorRIGID, CENTER WRENCHING FACILITY
MaterialSTEEL CORROSION RESISTING OVERALL
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Nominal Overall Length1.328 INCHES IN
Seat Angle37.0 DEGREES FIRST END
Connection StylePLAIN (PIPE) SECOND END
Connection StyleFLARED (TUBE) FIRST END
Thread Class2A FIRST END A
Nominal Thread Size0.562 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Series DesignatorUNF SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5945-00-204-819229351 INTERCHANGEABLE
Relay,electromagnetic
Naval Ship Systems Command
5133-00-228-1325 INTERCHANGEABLE
Drill,twist
5360-01-034-843329351 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5930-01-097-557621854-2 INTERCHANGEABLE
Switch,code Indicating Wheel
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4710-01-184-71443G0180 INTERCHANGEABLE
Tube Assembly,metal
Caterpillar Inc Div Caterpillar Defense
6520-01-484-360929351 INTERCHANGEABLE
Resin,restorative,dental
Kerr Corporation
5305-01-580-912629351 INTERCHANGEABLE
Screw,cap,hexagon Head
Eagle Components, Inc
Cross-Reference Index
Part NumberManufacturer
6XHBU-SS PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
29351 Davey Compressor Co Div of Keco Industries Inc (USA)
6XHBU-SS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
Related Parts
5945-00-204-8192INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
29351
5133-00-228-1325INTERCHANGEABLE
DRILL,TWIST
5360-01-034-8433INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
29351
5930-01-097-5576INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
21854-2
4710-01-184-7144INTERCHANGEABLE
TUBE ASSEMBLY,METAL
3G0180
6520-01-484-3609INTERCHANGEABLE
RESIN,RESTORATIVE,DENTAL
29351
5305-01-580-9126INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
29351

Frequently Asked Questions

What is NSN 4730-01-307-8435?

NSN 4730-01-307-8435 is a Coupling,tube, 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 4730-01-307-8435?

NSN 4730-01-307-8435 has 3 cross-referenced part numbers: 6XHBU-SS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 29351 (Davey Compressor Co Div of Keco Industries Inc), 6XHBU-SS (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division).

What NSN replaces 4730-01-307-8435?

There are 7 known substitutes for 4730-01-307-8435: 5945-00-204-8192, 5133-00-228-1325, 5360-01-034-8433 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6XHBU-SS?

Key specifications for 6XHBU-SS: Thread Series Designator: UNF FIRST END; Nominal Thread Size: 0.562 INCHES SECOND END IN; Furnished Items and Quantity: 1 TUBE COUPLING NUT; Connection Type: THREADED EXTERNAL TUBE SECOND END. 17 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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