PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB575Bolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-174-9475 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-174-9475 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-174-9475. Primary manufacturer part number: FFB575.
Features
  • Bolt,machine — FSC 5306
  • Surface Treatment: ZINC OVERALL
  • Grip Length: 3.750 INCHES NOMINAL IN
  • Width Between Flats: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Features Provided: FINISHED HEAD
  • Fastener Length: 5.000 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • 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 5306-00-174-9475, 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 5 commercial cross-references from 2 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
NSN5306-00-174-9475
Primary Part NumberFFB575
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Surface TreatmentZINC OVERALL
Grip Length3.750 INCHES NOMINAL IN
Width Between Flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Features ProvidedFINISHED HEAD
Fastener Length5.000 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Head StyleHEXAGON
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Head Height0.312 INCHES NOMINAL IN
Minimum Tensile Strength69000 POUNDS PER SQUARE INCH LBS
Thread Length1.250 INCHES MAXIMUM IN
Nondefinitive Spec/std Data2 GRADE AND 1 TYPE
Surface Treatment Document and ClassificationQQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating100.0 ROCKWELL B NOMINAL OVERALL
Nominal Thread Diameter0.500 INCHES IN
Thread Quantity Per Inch13
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-010-2484 (102484)
HAZMATNo
Verified Substitutes 12
No Item Name Available
5306-00-010-2484102484 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
5306-00-010-9177109177 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-019-0882190882 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
FFB575 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
M1222RN8C280GCNZE Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NAS1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB857A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5306-00-010-2484 Bolt,machine · 102484
5306-00-514-9624SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-010-2495SUCCESSOR
BOLT,MACHINE
5306-00-010-9177SUCCESSOR
BOLT,MACHINE
109177
5306-00-010-9191SUCCESSOR
BOLT,MACHINE
5306-00-013-1286SUCCESSOR
BOLT,MACHINE
5306-00-018-7532SUCCESSOR
BOLT,MACHINE
5306-00-019-0882SUCCESSOR
BOLT,MACHINE
190882
5306-00-021-7840SUCCESSOR
BOLT,MACHINE
5306-00-021-8057SUCCESSOR
BOLT,MACHINE
5306-00-042-6921SUCCESSOR
BOLT,MACHINE
426921
5306-00-042-6924SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-174-9475?

NSN 5306-00-174-9475 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 5306-00-174-9475?

NSN 5306-00-174-9475 has 5 cross-referenced part numbers: FFB575 (Federal Specifications Promulgated by General Services Administration Washington DC), M1222RN8C280GCNZE (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NAS1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILB857A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5306-00-174-9475?

There are 12 known substitutes for 5306-00-174-9475: 5306-00-514-9624, 5306-00-010-2484, 5306-00-010-2495 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB575?

Key specifications for FFB575: Surface Treatment: ZINC OVERALL; Grip Length: 3.750 INCHES NOMINAL IN; Width Between Flats: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Features Provided: FINISHED HEAD. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-174-9475 still in active supply?

NSN 5306-00-174-9475 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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