PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1618Bolt,machine

Caterpillar Inc Div Caterpillar Defense · NSN 5306-00-240-0799 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-240-0799 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-240-0799. Primary manufacturer part number: S1618.
Features
  • Bolt,machine — FSC 5306
  • Head Style: HEXAGON
  • Width Between Flats: 0.500 INCHES NOMINAL IN
  • Thread Length: 0.750 INCHES MINIMUM IN
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Thread Quantity Per Inch: 18
  • Features Provided: FINISHED HEAD
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 5306-00-240-0799, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-240-0799
Primary Part NumberS1618
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Head StyleHEXAGON
Width Between Flats0.500 INCHES NOMINAL IN
Thread Length0.750 INCHES MINIMUM IN
Fastener Length1.000 INCHES NOMINAL IN
Nominal Thread Diameter0.312 INCHES IN
Thread Quantity Per Inch18
Features ProvidedFINISHED HEAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Hardness Rating30.0 ROCKWELL C NOMINAL OVERALL
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Head Height0.250 INCHES NOMINAL IN
Minimum Yield Strength145000 POUNDS PER SQUARE INCH LBS
Grip Length0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
No Item Name Available
2815-00-554-6396 INTERCHANGEABLE
Valve,poppet,engine
4820-01-220-6750S1618 INTERCHANGEABLE
Retaining Nut,throttling Skirt
Crane Corp Crane Valve Services Div
Cross-Reference Index
Part NumberManufacturer
S1618 Hastings Deering (aust) Pty Ltd (AUS)
S1618 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
S1618 William Adams Pty Ltd (AUS)
S1618 Westrac Pty Ltd (AUS)
0045295 New Holland Construction (USA)
0045295-3 New Holland Construction (USA)
Related Parts
5306-00-698-2135SUCCESSOR
NO ITEM NAME AVAILABLE
2815-00-554-6396INTERCHANGEABLE
VALVE,POPPET,ENGINE
4820-01-220-6750INTERCHANGEABLE
RETAINING NUT,THROTTLING SKIRT
S1618

Frequently Asked Questions

What is NSN 5306-00-240-0799?

NSN 5306-00-240-0799 is a Bolt,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-240-0799?

NSN 5306-00-240-0799 has 6 cross-referenced part numbers: S1618 (Hastings Deering (aust) Pty Ltd), S1618 (Caterpillar Inc Div Caterpillar Defense), S1618 (William Adams Pty Ltd), S1618 (Westrac Pty Ltd), 0045295 (New Holland Construction) and 1 more.

What NSN replaces 5306-00-240-0799?

There are 3 known substitutes for 5306-00-240-0799: 5306-00-698-2135, 2815-00-554-6396, 4820-01-220-6750. Verify interchangeability with system specifications before substitution.

What are the specifications of S1618?

Key specifications for S1618: Head Style: HEXAGON; Width Between Flats: 0.500 INCHES NOMINAL IN; Thread Length: 0.750 INCHES MINIMUM IN; Fastener Length: 1.000 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-240-0799 still in active supply?

NSN 5306-00-240-0799 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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