PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181436Bolt,machine

Vulcan Steel Structures, Inc. · NSN 5306-01-384-2549 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-384-2549 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-384-2549. Primary manufacturer part number: 181436.
Features
  • Bolt,machine — FSC 5306
  • Head Style: DISHED HEXAGON
  • Fastener Length: 2.250 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Thread Class: 2A A
  • Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 20
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-01-384-2549, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Vulcan Steel Structures, Inc.. Government technical data includes 13 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-384-2549
Primary Part Number181436
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerVulcan Steel Structures, Inc.
StatusACTIVE
Head StyleDISHED HEXAGON
Fastener Length2.250 INCHES NOMINAL IN
Nominal Thread Diameter0.500 INCHES IN
Thread Class2A A
Head Height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Thread DirectionRIGHT-HAND
MaterialSTEEL CORROSION RESISTING OVERALL
Features ProvidedFINISHED HEAD
Material Document and ClassificationGM 280-M GR5, CAGE72915 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Width Between Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread Length1.250 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-248-7047 INTERCHANGEABLE
Grommet,nonmetallic
2815-00-375-2726181436 INTERCHANGEABLE
Valve,poppet,engine
Dresser, Llc
Cross-Reference Index
Part NumberManufacturer
181436 PRIMARY Vulcan Steel Structures, Inc. (USA)
181436 General Motors Corp Electro-Motive Div (USA)
Related Parts
5325-00-248-7047INTERCHANGEABLE
GROMMET,NONMETALLIC
2815-00-375-2726INTERCHANGEABLE
VALVE,POPPET,ENGINE
181436

Frequently Asked Questions

What is NSN 5306-01-384-2549?

NSN 5306-01-384-2549 is a Bolt,machine, manufactured by Vulcan Steel Structures, Inc., classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-384-2549?

NSN 5306-01-384-2549 has 2 cross-referenced part numbers: 181436 (Vulcan Steel Structures, Inc.), 181436 (General Motors Corp Electro-Motive Div).

What NSN replaces 5306-01-384-2549?

There are 2 known substitutes for 5306-01-384-2549: 5325-00-248-7047, 2815-00-375-2726. Verify interchangeability with system specifications before substitution.

What are the specifications of 181436?

Key specifications for 181436: Head Style: DISHED HEXAGON; Fastener Length: 2.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN; Thread Class: 2A A. 13 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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