PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4118ABolt,externally Relieved Body

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 5306-00-285-1239 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-285-1239 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-285-1239. Primary manufacturer part number: 4118A.
Features
  • Bolt,externally Relieved Body — FSC 5306
  • Hole Type: DRILLED
  • Head Style: HEXAGON
  • Distance From Largest Bearing Surface of Head to End of Second Diameter: 1.875 INCHES NOMINAL IN
  • Hole Diameter: 0.070 INCHES NOMINAL IN
  • Hole Configuration Style: HEXAGON FLATS
  • Distance From Largest Bearing Surface of Head to End of First Diameter: 0.188 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 13
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-285-1239, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-285-1239
Primary Part Number4118A
Item NameBolt,externally Relieved Body
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusACTIVE
Hole TypeDRILLED
Head StyleHEXAGON
Distance From Largest Bearing Surface of Head to End of Second Diameter1.875 INCHES NOMINAL IN
Hole Diameter0.070 INCHES NOMINAL IN
Hole Configuration StyleHEXAGON FLATS
Distance From Largest Bearing Surface of Head to End of First Diameter0.188 INCHES NOMINAL IN
Thread Quantity Per Inch13
Thread DirectionRIGHT-HAND
Minimum Tensile Strength15000 POUNDS PER SQUARE INCH LBS
Width Between Flats0.750 INCHES NOMINAL IN
Externally Relieved Body Diameter Quantity2
Head Height0.375 INCHES NOMINAL IN
First Diameter From Head0.500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Hole Quantity1
Second Diameter From Head0.445 INCHES MAXIMUM IN
Thread Length1.250 INCHES MINIMUM IN
Thread Class3A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating18.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM OVERALL
Nominal Thread Diameter0.500 INCHES IN
Fastener Length3.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6240-00-155-7836 INTERCHANGEABLE
Lamp,incandescent
5110-00-239-77485110-00-239-7748 INTERCHANGEABLE
File,hand
General Services Administration Federal Supply Service
5365-00-260-1414 INTERCHANGEABLE
Ring,dee
2520-00-311-160641053V INTERCHANGEABLE
Retainer,main Trasf
Navistar Intl Corp Truck Br Ohio Plant
4310-00-799-6038 INTERCHANGEABLE
Repair Kit,valve Ni
5962-01-177-073541454 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
4920-01-299-518891670 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
5331-01-335-339614450-A INTERCHANGEABLE
O-Ring
Propulsion Systems, Inc.
5365-01-438-2640 INTERCHANGEABLE
Ring,dee
5935-01-546-0918046075 INTERCHANGEABLE
Separator Column
Dionex Corporation
Cross-Reference Index
Part NumberManufacturer
91670 Graham Paige Corp (USA)
643408 Sasco Inc Canadian Div
4118A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
14450A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
S3106 PRIMARY Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
14450A Hercules Engine Co Inc (USA)
5144647 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
46075 Celtrac Corp (USA)
4118A Hercules Engine Co Inc (USA)
41454 White Motor Corp (USA)
Related Parts
6240-00-155-7836INTERCHANGEABLE
LAMP,INCANDESCENT
5110-00-239-7748INTERCHANGEABLE
FILE,HAND
5110-00-239-7748
5365-00-260-1414INTERCHANGEABLE
RING,DEE
2520-00-311-1606INTERCHANGEABLE
RETAINER,MAIN TRASF
41053V
4310-00-799-6038INTERCHANGEABLE
REPAIR KIT,VALVE NI
5962-01-177-0735INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
41454
4920-01-299-5188INTERCHANGEABLE
TEST PROGRAM SET
91670
5331-01-335-3396INTERCHANGEABLE
O-RING
14450-A
5365-01-438-2640INTERCHANGEABLE
RING,DEE
5935-01-546-0918INTERCHANGEABLE
SEPARATOR COLUMN
046075
2530-01-706-8716INTERCHANGEABLE
KNUCKLE,STEERING
5144647

Frequently Asked Questions

What is NSN 5306-00-285-1239?

NSN 5306-00-285-1239 is a Bolt,externally Relieved Body, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-285-1239?

NSN 5306-00-285-1239 has 10 cross-referenced part numbers: 91670 (Graham Paige Corp), 643408 (Sasco Inc Canadian Div), 4118A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 14450A (Brinkley Technology Group Llc Dba Hercules Manufacturing), S3106 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)) and 5 more.

What NSN replaces 5306-00-285-1239?

There are 11 known substitutes for 5306-00-285-1239: 6240-00-155-7836, 5110-00-239-7748, 5365-00-260-1414 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4118A?

Key specifications for 4118A: Hole Type: DRILLED; Head Style: HEXAGON; Distance From Largest Bearing Surface of Head to End of Second Diameter: 1.875 INCHES NOMINAL IN; Hole Diameter: 0.070 INCHES NOMINAL IN. 22 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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