PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3X146Screw,cap,hexagon Head

Meritor Heavy Vehicle Systems, Llc · NSN 5305-00-206-5836 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-206-5836 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-206-5836. Primary manufacturer part number: 3X146.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Departure From Cited Designator: AS MODIFIED BY HEAD HEIGHT AND WIDTH BETWEEN FLATS
  • Material Document and Classification: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 10 STYLE
  • Minimum Yield Strength: 55000 POUNDS PER SQUARE INCH LBS
  • Hardness Rating: 100.0 ROCKWELL B MAXIMUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-206-5836, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5305-00-206-5836
Primary Part Number3X146
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMeritor Heavy Vehicle Systems, Llc
StatusACTIVE
Fastener Length0.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Departure From Cited DesignatorAS MODIFIED BY HEAD HEIGHT AND WIDTH BETWEEN FLATS
Material Document and ClassificationSAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std Data2 TYPE AND 10 STYLE
Minimum Yield Strength55000 POUNDS PER SQUARE INCH LBS
Hardness Rating100.0 ROCKWELL B MAXIMUM OVERALL
Thread Series DesignatorUNF
MaterialSTEEL OVERALL
Minimum Tensile Strength69000 POUNDS PER SQUARE INCH LBS
Width Between Flats0.625 INCHES NOMINAL IN
Thread Quantity Per Inch20
Head Height0.187 INCHES NOMINAL IN
Nominal Thread Diameter0.438 INCHES IN
Head StyleHEXAGON
Thread Length0.500 INCHES MAXIMUM IN
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5306-00-350-760211A7044 INTERCHANGEABLE
Bolt,machine
Napco International Llc Dba Napco International Inc
Cross-Reference Index
Part NumberManufacturer
3X146 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
FFS85 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5306-00-350-7602INTERCHANGEABLE
BOLT,MACHINE
11A7044

Frequently Asked Questions

What is NSN 5305-00-206-5836?

NSN 5305-00-206-5836 is a Screw,cap,hexagon Head, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-206-5836?

NSN 5305-00-206-5836 has 2 cross-referenced part numbers: 3X146 (Meritor Heavy Vehicle Systems, Llc), FFS85 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-206-5836?

There is 1 known substitute for 5305-00-206-5836: 5306-00-350-7602. Verify interchangeability with system specifications before substitution.

What are the specifications of 3X146?

Key specifications for 3X146: Fastener Length: 0.500 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Departure From Cited Designator: AS MODIFIED BY HEAD HEIGHT AND WIDTH BETWEEN FLATS; Material Document and Classification: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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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