PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB571TYPEC2CLASSCBolt,square Neck

General Services Administration Federal Supply Service · NSN 5306-00-639-3314 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-639-3314 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-639-3314. Primary manufacturer part number: FFB571TYPEC2CLASSC.
Features
  • Bolt,square Neck — FSC 5306
  • 2 verified cross-references
  • Primary manufacturer: General Services Administration Federal Supply Service
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Bolt,square Neck, cataloged under National Stock Number 5306-00-639-3314, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Services Administration Federal Supply Service. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBolt,square Neck
FSC / FSG5306 — No Item Name Available (FSG 53)
ManufacturersGeneral Services Administration Federal Supply Service (CAGE 80244); Federal Specifications Promulgated by General Services Administration Washington DC (CAGE 81348)
Successor NSN5306-00-582-5952 — Bolt,machine
Technical Specifications
ParameterValue
NSN5306-00-639-3314
Primary Part NumberFFB571TYPEC2CLASSC
Item NameBolt,square Neck
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
Bolt,machine
5306-00-208-2091 INTERCHANGEABLE
Bolt,square Neck
5306-00-993-6257MS35751-77 INTERCHANGEABLE
Bolt,square Neck
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
FFB571TYPEC2CLASSC PRIMARY General Services Administration Federal Supply Service (USA)
FFB571 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5306-00-582-5952SUCCESSOR
BOLT,MACHINE
5306-00-208-2091INTERCHANGEABLE
BOLT,SQUARE NECK
5306-00-993-6257INTERCHANGEABLE
BOLT,SQUARE NECK
MS35751-77

Frequently Asked Questions

What is NSN 5306-00-639-3314?

NSN 5306-00-639-3314 is a Bolt,square Neck, manufactured by General Services Administration Federal Supply Service, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-639-3314?

NSN 5306-00-639-3314 has 2 cross-referenced part numbers: FFB571TYPEC2CLASSC (General Services Administration Federal Supply Service), FFB571 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5306-00-639-3314?

There are 3 known substitutes for 5306-00-639-3314: 5306-00-582-5952, 5306-00-208-2091, 5306-00-993-6257. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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