PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H8226Bolt,machine

American Standard Inc Westinghouse Air Brake Co Div · NSN 5306-00-254-9660 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-254-9660 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-254-9660. Primary manufacturer part number: H8226.
Features
  • Bolt,machine — FSC 5306
  • Thread Length: 1.750 INCHES MINIMUM IN
  • Head Style: SQUARE
  • Width Between Flats: 2.500 INCHES NOMINAL IN
  • Shank Unthreaded Hole Diameter: 0.312 INCHES NOMINAL FIRST HOLE IN
  • Features Provided: UNFINISHED HEAD
  • Thread Series Designator: UN
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-254-9660, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Standard Inc Westinghouse Air Brake Co Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-254-9660
Primary Part NumberH8226
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerAmerican Standard Inc Westinghouse Air Brake Co Div
StatusACTIVE
Thread Length1.750 INCHES MINIMUM IN
Head StyleSQUARE
Width Between Flats2.500 INCHES NOMINAL IN
Shank Unthreaded Hole Diameter0.312 INCHES NOMINAL FIRST HOLE IN
Features ProvidedUNFINISHED HEAD
Thread Series DesignatorUN
MaterialSTEEL OVERALL
Distance From Head Largest Bearing Surface to Shank Hole Center8.188 INCHES NOMINAL FIRST HOLE IN
Thread Quantity Per Inch8
Hardness Rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationSAE 1062 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter2.000 INCHES IN
Head Height0.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Fastener Length8.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-568-2919371-0371-010 INTERCHANGEABLE
Connector,receptacle,electrical
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5120-01-428-5048 INTERCHANGEABLE
Wrench,spanner
Cross-Reference Index
Part NumberManufacturer
H8226 American Standard Inc Westinghouse Air Brake Co Div (USA)
C494 American Standard Inc Westinghouse Air Brake Co Div (USA)
Related Parts
5935-00-568-2919INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
371-0371-010
5120-01-428-5048INTERCHANGEABLE
WRENCH,SPANNER

Frequently Asked Questions

What is NSN 5306-00-254-9660?

NSN 5306-00-254-9660 is a Bolt,machine, manufactured by American Standard Inc Westinghouse Air Brake Co Div, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-254-9660?

NSN 5306-00-254-9660 has 2 cross-referenced part numbers: H8226 (American Standard Inc Westinghouse Air Brake Co Div), C494 (American Standard Inc Westinghouse Air Brake Co Div).

What NSN replaces 5306-00-254-9660?

There are 2 known substitutes for 5306-00-254-9660: 5935-00-568-2919, 5120-01-428-5048. Verify interchangeability with system specifications before substitution.

What are the specifications of H8226?

Key specifications for H8226: Thread Length: 1.750 INCHES MINIMUM IN; Head Style: SQUARE; Width Between Flats: 2.500 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.312 INCHES NOMINAL FIRST HOLE IN. 16 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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