PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1825Bolt,machine

Caterpillar Inc Div Caterpillar Defense · NSN 5306-00-423-8127 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-423-8127 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-423-8127. Primary manufacturer part number: S1825.
Features
  • Bolt,machine — FSC 5306
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Grip Length: 0.125 INCHES NOMINAL IN
  • Features Provided: FINISHED HEAD
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Minimum Yield Strength: 145000 POUNDS PER SQUARE INCH LBS
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 5306-00-423-8127, 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 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
NSN5306-00-423-8127
Primary Part NumberS1825
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Nominal Thread Diameter0.500 INCHES IN
Fastener Length1.000 INCHES NOMINAL IN
Grip Length0.125 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Thread DirectionRIGHT-HAND
Thread Class2A A
Minimum Yield Strength145000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating30.0 ROCKWELL C NOMINAL OVERALL
MaterialSTEEL OVERALL
Head Height0.250 INCHES NOMINAL IN
Head StyleHEXAGON
Width Between Flats0.750 INCHES NOMINAL IN
Thread Length0.875 INCHES MINIMUM IN
Thread Quantity Per Inch13
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5355-00-667-59341156 INTERCHANGEABLE
Knob
Entron Industries Limited Partnership Dba Entron Industries Property Div
Cross-Reference Index
Part NumberManufacturer
0S1825 Caterpillar Inc Div Caterpillar Defense (USA)
S1825 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5355-00-667-5934INTERCHANGEABLE
KNOB
1156

Frequently Asked Questions

What is NSN 5306-00-423-8127?

NSN 5306-00-423-8127 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 5306-00-423-8127?

NSN 5306-00-423-8127 has 2 cross-referenced part numbers: 0S1825 (Caterpillar Inc Div Caterpillar Defense), S1825 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5306-00-423-8127?

There is 1 known substitute for 5306-00-423-8127: 5355-00-667-5934. Verify interchangeability with system specifications before substitution.

What are the specifications of S1825?

Key specifications for S1825: Nominal Thread Diameter: 0.500 INCHES IN; Fastener Length: 1.000 INCHES NOMINAL IN; Grip Length: 0.125 INCHES NOMINAL IN; Features Provided: FINISHED HEAD. 15 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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