PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB575Bolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-425-0607 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-425-0607 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-425-0607. Primary manufacturer part number: FFB575.
Features
  • Bolt,machine — FSC 5306
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 1 GR 8 TYPE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Quantity Per Inch: 11
  • Thread Class: 2A A
  • Width Between Flats: 0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM 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 5306-00-425-0607, 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 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-425-0607
Primary Part NumberFFB575
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 GR 8 TYPE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating30.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Thread Quantity Per Inch11
Thread Class2A A
Width Between Flats0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
Head StyleSQUARE
Features ProvidedUNFINISHED HEAD
Nominal Thread Diameter0.625 INCHES IN
Thread DirectionRIGHT-HAND
Thread Length1.500 INCHES MINIMUM IN
Minimum Tensile Strength150000 POUNDS PER SQUARE INCH LBS
Fastener Length1.750 INCHES NOMINAL IN
Head Height0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-042-6922426922 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
Bolt,machine
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
FFB575 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
C3-378 Barber-Greene Co (USA)
24-026 Tennessee Valley Authority (USA)
C3-378 Minnpar, Llc Dba Minnpar (USA)
FFB575TYPE1GRADE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5306-00-011-1195SUCCESSOR
BOLT,MACHINE
5306-00-013-1303SUCCESSOR
BOLT,MACHINE
5306-00-018-6682SUCCESSOR
BOLT,MACHINE
5306-00-019-1846SUCCESSOR
BOLT,MACHINE
5306-00-019-1857SUCCESSOR
BOLT,MACHINE
5306-00-042-6920SUCCESSOR
BOLT,MACHINE
5306-00-042-6922SUCCESSOR
BOLT,MACHINE
426922
5306-00-042-6923SUCCESSOR
BOLT,MACHINE
5306-00-042-6934SUCCESSOR
BOLT,MACHINE
5306-00-042-6936SUCCESSOR
BOLT,MACHINE
5306-00-042-6937SUCCESSOR
BOLT,MACHINE
426937
5306-00-042-6938SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-425-0607?

NSN 5306-00-425-0607 is a Bolt,machine, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-425-0607?

NSN 5306-00-425-0607 has 5 cross-referenced part numbers: FFB575 (Federal Specifications Promulgated by General Services Administration Washington DC), C3-378 (Barber-Greene Co), 24-026 (Tennessee Valley Authority), C3-378 (Minnpar, Llc Dba Minnpar), FFB575TYPE1GRADE1 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5306-00-425-0607?

There are 12 known substitutes for 5306-00-425-0607: 5306-00-011-1195, 5306-00-013-1303, 5306-00-018-6682 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB575?

Key specifications for FFB575: Material: STEEL OVERALL; Nondefinitive Spec/std Data: 1 GR 8 TYPE; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-425-0607 still in active supply?

NSN 5306-00-425-0607 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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