PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB575Bolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-018-7532 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-018-7532 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-018-7532. Primary manufacturer part number: FFB575.
Features
  • Bolt,machine — FSC 5306
  • Head Height: 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
  • Features Provided: UNFINISHED HEAD
  • Thread Length: 0.750 INCHES MINIMUM IN
  • Thread Quantity Per Inch: 20
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Width Between Flats: 0.362 INCHES MINIMUM AND 0.375 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 5306-00-018-7532, 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 3 commercial cross-references from 3 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
NSN5306-00-018-7532
Primary Part NumberFFB575
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Head Height0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Features ProvidedUNFINISHED HEAD
Thread Length0.750 INCHES MINIMUM IN
Thread Quantity Per Inch20
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Width Between Flats0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Material Document and ClassificationSAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMA307 GR A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Fastener Length1.000 INCHES NOMINAL IN
Thread Class2A A
Head StyleSQUARE
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
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)
187532 General Motors Corp (USA)
MS35355-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
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5306-00-019-1846SUCCESSOR
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5306-00-019-1857SUCCESSOR
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5306-00-042-6920SUCCESSOR
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5306-00-042-6922SUCCESSOR
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426922
5306-00-042-6923SUCCESSOR
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5306-00-042-6934SUCCESSOR
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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 5306-00-018-7532?

NSN 5306-00-018-7532 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 5306-00-018-7532?

NSN 5306-00-018-7532 has 3 cross-referenced part numbers: FFB575 (Federal Specifications Promulgated by General Services Administration Washington DC), 187532 (General Motors Corp), MS35355-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5306-00-018-7532?

There are 12 known substitutes for 5306-00-018-7532: 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: Head Height: 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Features Provided: UNFINISHED HEAD; Thread Length: 0.750 INCHES MINIMUM IN; Thread Quantity Per Inch: 20. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-018-7532 still in active supply?

NSN 5306-00-018-7532 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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