PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L1143Bolt,machine

Caterpillar Inc Div Caterpillar Defense · NSN 5306-00-285-1368 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-285-1368 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-285-1368. Primary manufacturer part number: L1143.
Features
  • Bolt,machine — FSC 5306
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Head Height: 0.273 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
  • Fastener Length: 2.500 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 16
  • Grip Length: 1.750 INCHES NOMINAL IN
  • Minimum Tensile Strength: 150000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1013 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 or Steel Comp 1021 or Steel Comp 1022 or Steel Comp 1023 or Steel Comp 1025 or Steel Comp 1026 or Steel Comp 1029 or Steel Comp 1030 or Steel Comp 1033 or Steel Comp 1034 or Steel Comp 1035 or Steel Comp 1037 or Steel Comp 1038 or Steel Comp 1039 or Steel Comp 1040 or Steel Comp 1524 or Steel Comp 1527 or Steel Comp 1536 or Steel Comp 1541 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-285-1368, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-285-1368
Primary Part NumberL1143
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Hardness Rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Head Height0.273 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
Fastener Length2.500 INCHES NOMINAL IN
Thread Quantity Per Inch16
Grip Length1.750 INCHES NOMINAL IN
Minimum Tensile Strength150000 POUNDS PER SQUARE INCH LBS
Nominal Thread Diameter0.375 INCHES IN
Features ProvidedFINISHED HEAD
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Thread Length0.750 INCHES MINIMUM IN
Nondefinitive Spec/std Data1 TYPE AND 8 GRADE
Minimum Yield Strength145000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1524 OR STEEL COMP 1527 OR STEEL COMP 1536 OR STEEL COMP 1541 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-270-9422
HAZMATNo
Verified Substitutes 12
No Item Name Available
5306-00-227-05820.75010UNC2A1.750T1G5BAC SUCCESSOR
Bolt,machine
Nucor Fastener
5306-00-227-0601306-40172 SUCCESSOR
Bolt,machine
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
Bolt,machine
5306-00-281-51641D4703 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-426-34021D4608 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
5306-00-732-77146C-3210 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
L1143 William Adams Pty Ltd (AUS)
17KP359 Oshkosh Corp (USA)
L1143 Hastings Deering (aust) Pty Ltd (AUS)
17KP359 Oshkosh Defense Llc (USA)
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
L1143 Westrac Pty Ltd (AUS)
L1143 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
0L1143 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
0L-1143 Pon Equipment B.v. (NLD)
0L1143 William Adams Pty Ltd (AUS)
0L1143 Westrac Pty Ltd (AUS)
0L1143 Hastings Deering (aust) Pty Ltd (AUS)
Related Parts
SUCCESSOR 5306-00-270-9422 Bolt,machine
5306-01-171-6253SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-227-0582SUCCESSOR
BOLT,MACHINE
0.75010UNC2A1.750T1G5BAC
5306-00-227-0601SUCCESSOR
BOLT,MACHINE
306-40172
5306-00-281-5164SUCCESSOR
BOLT,MACHINE
1D4703
5306-00-299-2342SUCCESSOR
BOLT,MACHINE
5306-00-299-2369SUCCESSOR
BOLT,MACHINE
5306-00-299-2378SUCCESSOR
BOLT,MACHINE
5306-00-426-3402SUCCESSOR
BOLT,MACHINE
1D4608
5306-00-732-7714SUCCESSOR
BOLT,MACHINE
6C-3210
5306-01-282-7489SUCCESSOR
BOLT,MACHINE
5306-01-323-5536SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-285-1368?

NSN 5306-00-285-1368 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 5306-00-285-1368?

NSN 5306-00-285-1368 has 13 cross-referenced part numbers: L1143 (William Adams Pty Ltd), 17KP359 (Oshkosh Corp), L1143 (Hastings Deering (aust) Pty Ltd), 17KP359 (Oshkosh Defense Llc), MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 5306-00-285-1368?

There are 12 known substitutes for 5306-00-285-1368: 5306-01-171-6253, 5306-00-227-0582, 5306-00-227-0601 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L1143?

Key specifications for L1143: Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Head Height: 0.273 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN; Fastener Length: 2.500 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-285-1368 still in active supply?

NSN 5306-00-285-1368 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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