PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB571ANDTYPEB2ANDCLASSCBolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-150-9303 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-150-9303 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-150-9303. Primary manufacturer part number: FFB571ANDTYPEB2ANDCLASSC.
Features
  • Bolt,machine — FSC 5306
  • Thread Direction: RIGHT-HAND
  • Features Provided: FINISHED HEAD
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Thread Series Designator: UNF
  • Material: STEEL OVERALL
  • Thread Class: 2A A
  • Nominal Thread Diameter: 0.500 INCHES 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 5306-00-150-9303, 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 14 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
NSN5306-00-150-9303
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
Features ProvidedFINISHED HEAD
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread Series DesignatorUNF
MaterialSTEEL OVERALL
Thread Class2A A
Nominal Thread Diameter0.500 INCHES IN
Fastener Length1.750 INCHES NOMINAL IN
Nondefinitive Spec/std DataB-2 TYPE AND C CLASS
Thread Quantity Per Inch20
Thread Length1.000 INCHES MINIMUM IN
Head StyleHEXAGON
Head Height0.317 INCHES NOMINAL IN
Width Between Flats0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
Bolt,machine
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
5306-00-151-1929 INTERCHANGEABLE
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
FFB571ANDTYPEB2ANDCLASSC Federal Specifications Promulgated by General Services Administration Washington DC (USA)
60-8-16 Department of the Air Force (USA)
Related Parts
5306-00-150-9315SUCCESSOR
BOLT,MACHINE
5306-00-174-9458SUCCESSOR
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
5306-00-281-8917INTERCHANGEABLE
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-150-9303?

NSN 5306-00-150-9303 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 5306-00-150-9303?

NSN 5306-00-150-9303 has 2 cross-referenced part numbers: FFB571ANDTYPEB2ANDCLASSC (Federal Specifications Promulgated by General Services Administration Washington DC), 60-8-16 (Department of the Air Force).

What NSN replaces 5306-00-150-9303?

There are 12 known substitutes for 5306-00-150-9303: 5306-00-150-9315, 5306-00-174-9458, 5306-00-150-9309 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB571ANDTYPEB2ANDCLASSC?

Key specifications for FFB571ANDTYPEB2ANDCLASSC: Thread Direction: RIGHT-HAND; Features Provided: FINISHED HEAD; Surface Treatment: CADMIUM OR ZINC OVERALL; Thread Series Designator: UNF. 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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