PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21233Bolt,fluid Passage

Eaton Aerospace Llc · NSN 4730-00-192-7558 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-192-7558 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-192-7558. Primary manufacturer part number: 21233.
Features
  • Bolt,fluid Passage — FSC 4730
  • Wrenching Feature Style: HEXAGON
  • First End Thread Series Designator: UNF
  • Width Across Flats: 0.750 INCHES NOMINAL IN
  • Length From Bearing Surface of Wrenching Feature to End of Fourth Diameter: 0.932 INCHES NOMINAL IN
  • Wrenching Feature Style: HEXAGON
  • Material: STEEL CORROSION RESISTING
  • First End Nominal Thread Size: 0.562 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-192-7558, 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 Eaton Aerospace Llc. Government technical data includes 28 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-192-7558
Primary Part Number21233
Item NameBolt,fluid Passage
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Aerospace Llc
StatusACTIVE
Wrenching Feature StyleHEXAGON
First End Thread Series DesignatorUNF
Width Across Flats0.750 INCHES NOMINAL IN
Length From Bearing Surface of Wrenching Feature to End of Fourth Diameter0.932 INCHES NOMINAL IN
Wrenching Feature StyleHEXAGON
MaterialSTEEL CORROSION RESISTING
First End Nominal Thread Size0.562 INCHES IN
First End Style DesignatorPLAIN
Wrenching Feature Height0.157 INCHES NOMINAL IN
First End Thread Class2A A
Wrenching Feature Height0.157 INCHES NOMINAL IN
Length From Bearing Surface of Wrenching Feature to End of Second Diameter0.750 INCHES NOMINAL IN
Length From Bearing Surface of Wrenching Feature to Bolt End0.932 INCHES NOMINAL IN
Width Across Flats0.750 INCHES NOMINAL IN
First End Thread Class2A A
Body StyleRELIEVED
Length From Bearing Surface of Wrenching Feature to End of Third Diameter0.810 INCHES NOMINAL IN
First Radial Fluid Hole Diameter0.035 INCHES NOMINAL IN
First End Thread Series DesignatorUNF
Length From Bearing Surface of Wrenching Feature to End of Fourth Diameter0.932 INCHES NOMINAL IN
First End Thread DirectionRIGHT-HAND
Length From Bearing Surface of Wrenching Feature to End of First Diameter0.110 INCHES NOMINAL IN
Second Diameter From Wrenching Feature0.375 INCHES NOMINAL IN
First Radial Fluid Hole Diameter0.035 INCHES NOMINAL IN
Fourth Diameter From Wrenching Feature0.373 INCHES NOMINAL IN
Length From Bearing Surface of Wrenching Feature to End of Third Diameter0.810 INCHES NOMINAL IN
Third Diameter From Wrenching Feature0.490 INCHES NOMINAL IN
Concentric Hole Diameter0.202 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-012-158097787HA INTERCHANGEABLE
Seal,plain Encased
Navistar Intl Corp Truck Br Ohio Plant
5110-00-260-1665 INTERCHANGEABLE
Reamer,hand
3120-00-424-551421-233 INTERCHANGEABLE
Bearing,sleeve
Dresser Industries Inc Leroi Div
5330-01-146-7173 INTERCHANGEABLE
Gasket
5310-01-240-062321233 INTERCHANGEABLE
Nut,special
Dresser, Llc
Cross-Reference Index
Part NumberManufacturer
21233 PRIMARY Eaton Aerospace Llc (USA)
Related Parts
5330-00-012-1580INTERCHANGEABLE
SEAL,PLAIN ENCASED
97787HA
5110-00-260-1665INTERCHANGEABLE
REAMER,HAND
3120-00-424-5514INTERCHANGEABLE
BEARING,SLEEVE
21-233
5330-01-146-7173INTERCHANGEABLE
GASKET
5310-01-240-0623INTERCHANGEABLE
NUT,SPECIAL
21233

Frequently Asked Questions

What is NSN 4730-00-192-7558?

NSN 4730-00-192-7558 is a Bolt,fluid Passage, manufactured by Eaton Aerospace Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-192-7558?

NSN 4730-00-192-7558 has 1 cross-referenced part number: 21233 (Eaton Aerospace Llc).

What NSN replaces 4730-00-192-7558?

There are 5 known substitutes for 4730-00-192-7558: 5330-00-012-1580, 5110-00-260-1665, 3120-00-424-5514 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21233?

Key specifications for 21233: Wrenching Feature Style: HEXAGON; First End Thread Series Designator: UNF; Width Across Flats: 0.750 INCHES NOMINAL IN; Overall Length: 1.082 INCHES NOMINAL IN. 30 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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