PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB575TYPE3GRADE1Bolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-141-2891 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-141-2891 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-141-2891. Primary manufacturer part number: FFB575TYPE3GRADE1.
Features
  • Bolt,machine — FSC 5306
  • Width Between Flats: 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Fastener Length: 1.500 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 24
  • Thread Length: 0.875 INCHES MINIMUM IN
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Grip Length: 0.625 INCHES NOMINAL IN
  • Thread Class: 2A A
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 5306-00-141-2891, 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 16 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: Active.

Technical Specifications
ParameterValue
NSN5306-00-141-2891
Primary Part NumberFFB575TYPE3GRADE1
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Width Between Flats0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Fastener Length1.500 INCHES NOMINAL IN
Thread Quantity Per Inch24
Thread Length0.875 INCHES MINIMUM IN
Nominal Thread Diameter0.312 INCHES IN
Grip Length0.625 INCHES NOMINAL IN
Thread Class2A A
Head StyleHEXAGON
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
MaterialSTEEL OVERALL
Head Height0.203 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CH C FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Features ProvidedFINISHED HEAD
Hardness Rating95.5 ROCKWELL B NOMINAL OVERALL
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
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
5306-00-141-2843 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
5306-00-543-2324 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
5306-00-141-2883SUCCESSOR
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
5306-00-141-2843INTERCHANGEABLE
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
5306-00-637-8797INTERCHANGEABLE
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-141-2891?

NSN 5306-00-141-2891 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 5306-00-141-2891?

NSN 5306-00-141-2891 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 5306-00-141-2891?

There are 12 known substitutes for 5306-00-141-2891: 5306-00-141-2883, 5306-00-174-9546, 5306-00-680-7219 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB575TYPE3GRADE1?

Key specifications for FFB575TYPE3GRADE1: Width Between Flats: 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Fastener Length: 1.500 INCHES NOMINAL IN; Thread Quantity Per Inch: 24; Thread Length: 0.875 INCHES MINIMUM IN. 16 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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