PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2318Bolt,machine

Caterpillar Inc Div Caterpillar Defense · NSN 5306-00-423-8130 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-423-8130 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-423-8130. Primary manufacturer part number: S2318.
Features
  • Bolt,machine — FSC 5306
  • Fastener Length: 3.250 INCHES NOMINAL IN
  • Head Height: 0.469 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.625 INCHES IN
  • Width Between Flats: 0.937 INCHES NOMINAL IN
  • Thread Class: 2A A
  • Thread Direction: RIGHT-HAND
  • Thread Length: 1.188 INCHES NOMINAL IN
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 5306-00-423-8130, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-423-8130
Primary Part NumberS2318
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Fastener Length3.250 INCHES NOMINAL IN
Head Height0.469 INCHES NOMINAL IN
Nominal Thread Diameter0.625 INCHES IN
Width Between Flats0.937 INCHES NOMINAL IN
Thread Class2A A
Thread DirectionRIGHT-HAND
Thread Length1.188 INCHES NOMINAL IN
Thread Series DesignatorUNF
Hardness Rating30.0 ROCKWELL C NOMINAL OVERALL
MaterialSTEEL OVERALL
Minimum Yield Strength145000 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch18
Features ProvidedFINISHED HEAD
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-00-276-9267119898 INTERCHANGEABLE
Relay,electromagnetic
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
0S2318 Caterpillar Inc Div Caterpillar Defense (USA)
S2318 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5945-00-276-9267INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
119898

Frequently Asked Questions

What is NSN 5306-00-423-8130?

NSN 5306-00-423-8130 is a Bolt,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-423-8130?

NSN 5306-00-423-8130 has 2 cross-referenced part numbers: 0S2318 (Caterpillar Inc Div Caterpillar Defense), S2318 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5306-00-423-8130?

There is 1 known substitute for 5306-00-423-8130: 5945-00-276-9267. Verify interchangeability with system specifications before substitution.

What are the specifications of S2318?

Key specifications for S2318: Fastener Length: 3.250 INCHES NOMINAL IN; Head Height: 0.469 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES IN; Width Between Flats: 0.937 INCHES NOMINAL IN. 14 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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