PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB575TYPE2Bolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-660-3317 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-660-3317 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-660-3317. Primary manufacturer part number: FFB575TYPE2.
Features
  • Bolt,machine — FSC 5306
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material Document and Classification: QQ-C-591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Quantity Per Inch: 11
  • Grip Length: 0.250 INCHES NOMINAL IN
  • Head Height: 0.378 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
  • Fastener Length: 1.750 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-660-3317, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-660-3317
Primary Part NumberFFB575TYPE2
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationQQ-C-591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Quantity Per Inch11
Grip Length0.250 INCHES NOMINAL IN
Head Height0.378 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
Fastener Length1.750 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Head StyleHEXAGON
Thread Class2A A
Features ProvidedUNFINISHED HEAD
Thread Length1.500 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.625 INCHES IN
Width Between Flats0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
Nondefinitive Spec/std Data2 TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
No Item Name Available
5306-00-660-3299 INTERCHANGEABLE
Bolt,machine
5306-00-660-3318 INTERCHANGEABLE
Bolt,machine
5306-00-660-3335 INTERCHANGEABLE
Bolt,machine
5306-00-660-3341 INTERCHANGEABLE
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
FFB575TYPE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5306-00-660-1828SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-660-3299INTERCHANGEABLE
BOLT,MACHINE
5306-00-660-3318INTERCHANGEABLE
BOLT,MACHINE
5306-00-660-3335INTERCHANGEABLE
BOLT,MACHINE
5306-00-660-3341INTERCHANGEABLE
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-660-3317?

NSN 5306-00-660-3317 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 5306-00-660-3317?

NSN 5306-00-660-3317 has 1 cross-referenced part number: FFB575TYPE2 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5306-00-660-3317?

There are 5 known substitutes for 5306-00-660-3317: 5306-00-660-1828, 5306-00-660-3299, 5306-00-660-3318 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB575TYPE2?

Key specifications for FFB575TYPE2: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-C-591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Quantity Per Inch: 11; Grip Length: 0.250 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-660-3317 still in active supply?

NSN 5306-00-660-3317 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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