PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB575TYPE3GRADE1Bolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-680-7219 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-680-7219 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-680-7219. Primary manufacturer part number: FFB575TYPE3GRADE1.
Features
  • Bolt,machine — FSC 5306
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Thread Class: 2A A
  • Fastener Length: 0.970 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 20
  • Thread Length: 0.750 INCHES MINIMUM IN
  • Width Between Flats: 0.425 INCHES MINIMUM AND 0.438 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 5306-00-680-7219, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5306-00-680-7219
Primary Part NumberFFB575TYPE3GRADE1
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread Class2A A
Fastener Length0.970 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Thread Length0.750 INCHES MINIMUM IN
Width Between Flats0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND
Features ProvidedFINISHED HEAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.250 INCHES IN
Head StyleHEXAGON
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Hardness Rating70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
Material Document and ClassificationSAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std Data2 TYPE
Head Height0.150 INCHES MINIMUM AND 0.188 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
FFB575TYPE3GRADE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FFB575TYPE3GR1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FFB575 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 5306-00-680-7219?

NSN 5306-00-680-7219 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 5306-00-680-7219?

NSN 5306-00-680-7219 has 3 cross-referenced part numbers: FFB575TYPE3GRADE1 (Federal Specifications Promulgated by General Services Administration Washington DC), FFB575TYPE3GR1 (Federal Specifications Promulgated by General Services Administration Washington DC), FFB575 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5306-00-680-7219?

There are 12 known substitutes for 5306-00-680-7219: 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 FFB575TYPE3GRADE1?

Key specifications for FFB575TYPE3GRADE1: Material: STEEL OVERALL; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Thread Class: 2A A; Fastener Length: 0.970 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-680-7219 still in active supply?

NSN 5306-00-680-7219 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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