PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB575TYPE3GRADE1Bolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-141-2843 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-141-2843 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-141-2843. Primary manufacturer part number: FFB575TYPE3GRADE1.
Features
  • Bolt,machine — FSC 5306
  • Thread Length: 0.750 INCHES MINIMUM IN
  • Width Between Flats: 0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
  • Head Height: 0.156 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Quantity Per Inch: 20
  • Nondefinitive Spec/std Data: 3 TYPE AND 1 GRADE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
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 5306-00-141-2843, 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 1 manufacturer, 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
NSN5306-00-141-2843
Primary Part NumberFFB575TYPE3GRADE1
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Thread Length0.750 INCHES MINIMUM IN
Width Between Flats0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Head Height0.156 INCHES NOMINAL IN
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch20
Nondefinitive Spec/std Data3 TYPE AND 1 GRADE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating95.0 ROCKWELL B NOMINAL OVERALL
Head StyleHEXAGON
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND
Fastener Length1.000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Thread Class2A A
Features ProvidedFINISHED HEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
No Item Name Available
5306-00-141-2883FF-B-575,TYII,GR1 SUCCESSOR
Bolt,machine
Defense Logistics Agency Dba Defense Supply Center Philadelphia
Bolt,machine
Bolt,machine
5306-00-087-1624MS16208-3 INTERCHANGEABLE
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-00-141-2891 INTERCHANGEABLE
Bolt,machine
5306-00-141-293092765 INTERCHANGEABLE
Bolt,machine
Briggs and Stratton Corp
5306-00-206-4793 INTERCHANGEABLE
Bolt,machine
5306-00-297-872192125 INTERCHANGEABLE
Bolt,machine
Briggs and Stratton Corp
5306-00-297-8757 INTERCHANGEABLE
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
FFB575TYPE3GRADE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FFB575TYPE3GR1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5306-00-022-7682SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-141-2883SUCCESSOR
BOLT,MACHINE
FF-B-575,TYII,GR1
5306-00-174-9546SUCCESSOR
BOLT,MACHINE
5306-00-680-7219SUCCESSOR
BOLT,MACHINE
5306-00-087-1624INTERCHANGEABLE
BOLT,MACHINE
MS16208-3
5306-00-141-2891INTERCHANGEABLE
BOLT,MACHINE
5306-00-141-2930INTERCHANGEABLE
BOLT,MACHINE
92765
5306-00-206-4793INTERCHANGEABLE
BOLT,MACHINE
5306-00-297-8721INTERCHANGEABLE
BOLT,MACHINE
92125
5306-00-297-8757INTERCHANGEABLE
BOLT,MACHINE
5306-00-543-2324INTERCHANGEABLE
BOLT,MACHINE
5306-00-637-8770INTERCHANGEABLE
BOLT,MACHINE
91439

Frequently Asked Questions

What is NSN 5306-00-141-2843?

NSN 5306-00-141-2843 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 5306-00-141-2843?

NSN 5306-00-141-2843 has 2 cross-referenced part numbers: FFB575TYPE3GRADE1 (Federal Specifications Promulgated by General Services Administration Washington DC), FFB575TYPE3GR1 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5306-00-141-2843?

There are 12 known substitutes for 5306-00-141-2843: 5306-00-022-7682, 5306-00-141-2883, 5306-00-174-9546 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB575TYPE3GRADE1?

Key specifications for FFB575TYPE3GRADE1: Thread Length: 0.750 INCHES MINIMUM IN; Width Between Flats: 0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Head Height: 0.156 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-141-2843 still in active supply?

NSN 5306-00-141-2843 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.
PartsTable Design LLC · partstable.com