PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-B-575CBolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-579-1469 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-579-1469 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-579-1469. Primary manufacturer part number: FF-B-575C.
Features
  • Bolt,machine — FSC 5306
  • Surface Treatment: ZINC OVERALL
  • Material: STEEL OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Thread Quantity Per Inch: 16
  • Width Between Flats: 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Thread Length: 1.187 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 5306-00-579-1469, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-579-1469
Primary Part NumberFF-B-575C
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Surface TreatmentZINC OVERALL
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.375 INCHES IN
Thread Quantity Per Inch16
Width Between Flats0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Thread Length1.187 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Thread Class1A A
Features ProvidedUNFINISHED HEAD
Head Height0.232 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
Head StyleSQUARE
Nondefinitive Spec/std Data1 TYPE AND C CLASS
Fastener Length10.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-579-4948
HAZMATNo
Verified Substitutes 11
Bolt,machine
Bolt,machine
5310-00-188-7831 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-188-7833 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-188-7834 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-188-7836 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-221-4845 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-227-798943N6870 INTERCHANGEABLE
Nut,plain,hexagon
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5306-00-270-7425 INTERCHANGEABLE
Bolt,machine
5306-00-543-2195 INTERCHANGEABLE
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
FF-B-575C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MILB857TYPEACLASSC Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5306-00-579-4948 Bolt,machine
5306-00-151-3469SUCCESSOR
BOLT,MACHINE
5310-00-188-7831INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-188-7833INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-188-7834INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-188-7836INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-221-4845INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-227-7989INTERCHANGEABLE
NUT,PLAIN,HEXAGON
43N6870
5306-00-270-7425INTERCHANGEABLE
BOLT,MACHINE
5306-00-543-2195INTERCHANGEABLE
BOLT,MACHINE
5310-00-619-1961INTERCHANGEABLE
NUT,PLAIN,HEXAGON
74593A

Frequently Asked Questions

What is NSN 5306-00-579-1469?

NSN 5306-00-579-1469 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 5306-00-579-1469?

NSN 5306-00-579-1469 has 2 cross-referenced part numbers: FF-B-575C (Federal Specifications Promulgated by General Services Administration Washington DC), MILB857TYPEACLASSC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5306-00-579-1469?

There are 11 known substitutes for 5306-00-579-1469: 5306-00-151-3469, 5306-00-579-4948, 5310-00-188-7831 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-B-575C?

Key specifications for FF-B-575C: Surface Treatment: ZINC OVERALL; Material: STEEL OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Diameter: 0.375 INCHES IN. 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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