PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB571ANDTYPEB2ANDCLASSCBolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-282-4468 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-282-4468 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-282-4468. Primary manufacturer part number: FFB571ANDTYPEB2ANDCLASSC.
Features
  • Bolt,machine — FSC 5306
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 4.500 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.438 INCHES IN
  • Thread Class: 2A A
  • Minimum Tensile Strength: 48000 POUNDS PER SQUARE INCH LBS
  • Head Style: HEXAGON
  • Thread Length: 1.250 INCHES MINIMUM IN
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 5306-00-282-4468, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-282-4468
Primary Part NumberFFB571ANDTYPEB2ANDCLASSC
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread DirectionRIGHT-HAND
Fastener Length4.500 INCHES NOMINAL IN
Nominal Thread Diameter0.438 INCHES IN
Thread Class2A A
Minimum Tensile Strength48000 POUNDS PER SQUARE INCH LBS
Head StyleHEXAGON
Thread Length1.250 INCHES MINIMUM IN
Head Height0.262 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
Width Between Flats0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Thread Quantity Per Inch14
Features ProvidedFINISHED HEAD
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Nondefinitive Spec/std DataB2 TYPE AND C CLASS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
Bolt,machine
Bolt,machine
5306-00-150-9303 INTERCHANGEABLE
Bolt,machine
5306-00-150-9309 INTERCHANGEABLE
Bolt,machine
5306-00-150-9311 INTERCHANGEABLE
Bolt,machine
5306-00-151-1912 INTERCHANGEABLE
Bolt,machine
5306-00-151-1917 INTERCHANGEABLE
Bolt,machine
5306-00-151-1921 INTERCHANGEABLE
Bolt,machine
5306-00-151-1924 INTERCHANGEABLE
Bolt,machine
5306-00-151-1927 INTERCHANGEABLE
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
FFB571ANDTYPEB2ANDCLASSC Federal Specifications Promulgated by General Services Administration Washington DC (USA)
65-7-44 Air Force Standard
Related Parts
5306-00-150-9315SUCCESSOR
BOLT,MACHINE
5306-00-174-9458SUCCESSOR
BOLT,MACHINE
5306-00-150-9303INTERCHANGEABLE
BOLT,MACHINE
5306-00-150-9309INTERCHANGEABLE
BOLT,MACHINE
5306-00-150-9311INTERCHANGEABLE
BOLT,MACHINE
5306-00-151-1912INTERCHANGEABLE
BOLT,MACHINE
5306-00-151-1917INTERCHANGEABLE
BOLT,MACHINE
5306-00-151-1921INTERCHANGEABLE
BOLT,MACHINE
5306-00-151-1924INTERCHANGEABLE
BOLT,MACHINE
5306-00-151-1927INTERCHANGEABLE
BOLT,MACHINE
5306-00-151-1929INTERCHANGEABLE
BOLT,MACHINE
5306-00-156-2231INTERCHANGEABLE
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-282-4468?

NSN 5306-00-282-4468 is a Bolt,machine, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-282-4468?

NSN 5306-00-282-4468 has 2 cross-referenced part numbers: FFB571ANDTYPEB2ANDCLASSC (Federal Specifications Promulgated by General Services Administration Washington DC), 65-7-44 (Air Force Standard).

What NSN replaces 5306-00-282-4468?

There are 12 known substitutes for 5306-00-282-4468: 5306-00-150-9315, 5306-00-174-9458, 5306-00-150-9303 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB571ANDTYPEB2ANDCLASSC?

Key specifications for FFB571ANDTYPEB2ANDCLASSC: Thread Direction: RIGHT-HAND; Fastener Length: 4.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.438 INCHES IN; Thread Class: 2A A. 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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