PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB571ATYPEA2Bolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-207-3307 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-207-3307 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-207-3307. Primary manufacturer part number: FFB571ATYPEA2.
Features
  • Bolt,machine — FSC 5306
  • Fastener Length: 0.750 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 20
  • Features Provided: FINISHED HEAD
  • Thread Direction: RIGHT-HAND
  • Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Material: STEEL OVERALL
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 5306-00-207-3307, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5306-00-207-3307
Primary Part NumberFFB571ATYPEA2
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Fastener Length0.750 INCHES NOMINAL IN
Thread Quantity Per Inch20
Features ProvidedFINISHED HEAD
Thread DirectionRIGHT-HAND
Head Height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std DataA2 TYPE
Thread Class2A A
Thread Length0.750 INCHES MINIMUM IN
Width Between Flats0.363 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Minimum Tensile Strength48000 POUNDS PER SQUARE INCH LBS
Head StyleSQUARE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-010-2484 (102484)
HAZMATNo
Verified Substitutes 12
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
5306-00-042-6921426921 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
FFB571ATYPEA2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS35355-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FFB575 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
120225 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
SUCCESSOR 5306-00-010-2484 Bolt,machine · 102484
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
5306-00-042-6926SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-207-3307?

NSN 5306-00-207-3307 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 5306-00-207-3307?

NSN 5306-00-207-3307 has 4 cross-referenced part numbers: FFB571ATYPEA2 (Federal Specifications Promulgated by General Services Administration Washington DC), MS35355-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FFB575 (Federal Specifications Promulgated by General Services Administration Washington DC), 120225 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 5306-00-207-3307?

There are 12 known substitutes for 5306-00-207-3307: 5306-00-010-2484, 5306-00-010-2495, 5306-00-010-9177 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB571ATYPEA2?

Key specifications for FFB571ATYPEA2: Fastener Length: 0.750 INCHES NOMINAL IN; Thread Quantity Per Inch: 20; Features Provided: FINISHED HEAD; Thread Direction: RIGHT-HAND. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-207-3307 still in active supply?

NSN 5306-00-207-3307 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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