PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

186648Bolt,machine

General Motors Llc Dba General Motors Llc · NSN 5306-00-018-6648 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-018-6648 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-018-6648. Primary manufacturer part number: 186648.
Features
  • Bolt,machine — FSC 5306
  • Material: STEEL OVERALL
  • Features Provided: FINISHED HEAD
  • Head Height: 0.203 INCHES NOMINAL IN
  • Thread Length: 1.062 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nondefinitive Spec/std Data: 10P STYLE AND 2 TYPE
  • Material Document and Classification: SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE 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 5306-00-018-6648, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-018-6648
Primary Part Number186648
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
MaterialSTEEL OVERALL
Features ProvidedFINISHED HEAD
Head Height0.203 INCHES NOMINAL IN
Thread Length1.062 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std Data10P STYLE AND 2 TYPE
Material Document and ClassificationSAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Nominal Thread Diameter0.312 INCHES IN
Thread Quantity Per Inch18
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Minimum Tensile Strength130000 POUNDS PER SQUARE INCH LBS
Width Between Flats0.500 INCHES NOMINAL IN
Fastener Length1.875 INCHES NOMINAL IN
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-187-361211500PC11759 INTERCHANGEABLE
Packing,preformed
L3harris Technologies, Inc. Div Space and Airborne Systems
6625-01-421-9800186648 INTERCHANGEABLE
Filter,light,cathode Ray Tube
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
186648 General Motors Llc Dba General Motors Llc (USA)
186648 General Motors Corp (USA)
Related Parts
5330-00-187-3612INTERCHANGEABLE
PACKING,PREFORMED
11500PC11759
6625-01-421-9800INTERCHANGEABLE
FILTER,LIGHT,CATHODE RAY TUBE
186648

Frequently Asked Questions

What is NSN 5306-00-018-6648?

NSN 5306-00-018-6648 is a Bolt,machine, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-018-6648?

NSN 5306-00-018-6648 has 2 cross-referenced part numbers: 186648 (General Motors Llc Dba General Motors Llc), 186648 (General Motors Corp).

What NSN replaces 5306-00-018-6648?

There are 2 known substitutes for 5306-00-018-6648: 5330-00-187-3612, 6625-01-421-9800. Verify interchangeability with system specifications before substitution.

What are the specifications of 186648?

Key specifications for 186648: Material: STEEL OVERALL; Features Provided: FINISHED HEAD; Head Height: 0.203 INCHES NOMINAL IN; Thread Length: 1.062 INCHES MAXIMUM IN. 16 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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