PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1D4608Bolt,machine

Caterpillar Inc Div Caterpillar Defense · NSN 5306-00-426-3402 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-426-3402 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-426-3402. Primary manufacturer part number: 1D4608.
Features
  • Bolt,machine — FSC 5306
  • Features Provided: FINISHED HEAD
  • Fastener Length: 2.750 INCHES NOMINAL IN
  • Minimum Yield Strength: 145000 POUNDS PER SQUARE INCH LBS
  • Thread Class: 2A A
  • Width Between Flats: 1.125 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Hardness Rating: 30.0 ROCKWELL C NOMINAL OVERALL
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 5306-00-426-3402, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-426-3402
Primary Part Number1D4608
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Features ProvidedFINISHED HEAD
Fastener Length2.750 INCHES NOMINAL IN
Minimum Yield Strength145000 POUNDS PER SQUARE INCH LBS
Thread Class2A A
Width Between Flats1.125 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating30.0 ROCKWELL C NOMINAL OVERALL
Head Height0.562 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Nominal Thread Diameter0.750 INCHES IN
Thread Length1.500 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Thread Quantity Per Inch10
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-018-0084
HAZMATNo
Verified Substitutes 12
Bolt,machine
5306-00-018-6649186649 SUCCESSOR
Bolt,machine
Rolls-Royce Solutions America Inc
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1D4608 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
SUCCESSOR 5306-00-018-0084 Bolt,machine
5306-00-018-6649SUCCESSOR
BOLT,MACHINE
186649
5306-00-174-0532SUCCESSOR
BOLT,MACHINE
5306-00-174-0539SUCCESSOR
BOLT,MACHINE
5306-00-174-4166SUCCESSOR
BOLT,MACHINE
5306-00-174-9461SUCCESSOR
BOLT,MACHINE
5306-00-174-9463SUCCESSOR
BOLT,MACHINE
5306-00-174-9465SUCCESSOR
BOLT,MACHINE
5306-00-174-9466SUCCESSOR
BOLT,MACHINE
5306-00-174-9467SUCCESSOR
BOLT,MACHINE
5306-00-174-9468SUCCESSOR
BOLT,MACHINE
5306-00-174-9472SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-426-3402?

NSN 5306-00-426-3402 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 5306-00-426-3402?

NSN 5306-00-426-3402 has 3 cross-referenced part numbers: MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1D4608 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5306-00-426-3402?

There are 12 known substitutes for 5306-00-426-3402: 5306-00-018-0084, 5306-00-018-6649, 5306-00-174-0532 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1D4608?

Key specifications for 1D4608: Features Provided: FINISHED HEAD; Fastener Length: 2.750 INCHES NOMINAL IN; Minimum Yield Strength: 145000 POUNDS PER SQUARE INCH LBS; Thread Class: 2A A. 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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