PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-4-GU-SAdapter Bushing

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-01-203-3433 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-203-3433 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-203-3433. Primary manufacturer part number: 4-4-GU-S.
Features
  • Adapter Bushing — FSC 4730
  • Male End Thread Size: 7/16-20
  • Female End Screw Thread Series Designator: NPTF
  • Female End Thread Length: 0.840 INCHES NOMINAL IN
  • Material: STEEL
  • Female End Thread Direction: RIGHT-HAND
  • Male End Thread Direction: RIGHT-HAND
  • Male End Thread Length: 0.450 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Adapter Bushing, cataloged under National Stock Number 4730-01-203-3433, 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 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-203-3433
Primary Part Number4-4-GU-S
Item NameAdapter Bushing
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusACTIVE
Male End Thread Size7/16-20
Female End Screw Thread Series DesignatorNPTF
Female End Thread Length0.840 INCHES NOMINAL IN
MaterialSTEEL
Female End Thread DirectionRIGHT-HAND
Male End Thread DirectionRIGHT-HAND
Male End Thread Length0.450 INCHES NOMINAL IN
Wrenching Facility ShapeHEXAGON
Male End Thread Class2A A
Female End Thread Size1/4-18
Male End Screw Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-838-40024-4GBUS INTERCHANGEABLE
Adapter,straight,pipe to Tube
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
Cross-Reference Index
Part NumberManufacturer
7265X4X4 Dana Corp Weatherhead Div (USA)
4730012033433 Etablissement Central De Gestion Etde Stockage Du Materiel
12273511 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
4-4-GU-S Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
4-4-GU-S PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
7265X4X4 Danfoss Power Solutions II, Llc (USA)
Related Parts
4730-00-838-4002INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4-4GBUS

Frequently Asked Questions

What is NSN 4730-01-203-3433?

NSN 4730-01-203-3433 is a Adapter Bushing, 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 4730-01-203-3433?

NSN 4730-01-203-3433 has 6 cross-referenced part numbers: 7265X4X4 (Dana Corp Weatherhead Div), 4730012033433 (Etablissement Central De Gestion Etde Stockage Du Materiel), 12273511 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 4-4-GU-S (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 4-4-GU-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division) and 1 more.

What NSN replaces 4730-01-203-3433?

There is 1 known substitute for 4730-01-203-3433: 4730-00-838-4002. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-4-GU-S?

Key specifications for 4-4-GU-S: Male End Thread Size: 7/16-20; Female End Screw Thread Series Designator: NPTF; Female End Thread Length: 0.840 INCHES NOMINAL IN; Material: STEEL. 12 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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