PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HG-227-1/2X6Turnbuckle

The Crosby Group Llc Dba the Crosby Group · NSN 5340-00-663-3417 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-663-3417 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-663-3417. Primary manufacturer part number: HG-227-1/2X6.
Features
  • Turnbuckle — FSC 5340
  • Body Length: 7.500 INCHES NOMINAL IN
  • Nominal Thread Size: 0.500 INCHES BODY IN
  • Locking Device Type: NUT
  • Eye Width: 0.719 INCHES NOMINAL IN
  • Body Style: ROUND OPEN BODY
  • Pinhole Diameter: 0.375 INCHES NOMINAL IN
  • End Style: CLEVIS AND CLOSED EYE
Applications
  • Applications requiring Steel Overall construction
General Description

The Turnbuckle, cataloged under National Stock Number 5340-00-663-3417, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Crosby Group Llc Dba the Crosby Group. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-663-3417
Primary Part NumberHG-227-1/2X6
Item NameTurnbuckle
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerThe Crosby Group Llc Dba the Crosby Group
StatusCANCELLED
Body Length7.500 INCHES NOMINAL IN
Nominal Thread Size0.500 INCHES BODY IN
Locking Device TypeNUT
Eye Width0.719 INCHES NOMINAL IN
Body StyleROUND OPEN BODY
Pinhole Diameter0.375 INCHES NOMINAL IN
End StyleCLEVIS AND CLOSED EYE
Fork Width0.625 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Take-Up Distance6.000 INCHES NOMINAL IN
Length13.719 INCHES NOMINAL IN
Thread Class1A BODY A
Surface TreatmentZINC OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
No Item Name Available
Motor,alternating Current
5340-00-492-5954 INTERCHANGEABLE
Turnbuckle
5340-00-663-3411G227-1-2X12 INTERCHANGEABLE
Turnbuckle
The Crosby Group Llc Dba the Crosby Group
3020-00-927-97992330C9005-4 INTERCHANGEABLE
Gear,spur
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5340-00-985-0408151-31856-17 INTERCHANGEABLE
Turnbuckle
The Boeing Company Div Legacy Am&m
5220-01-340-3318G227 INTERCHANGEABLE
Gage,crimping Tool
Daniels Manufacturing Corporation
Cross-Reference Index
Part NumberManufacturer
HG-227-1/2X6 PRIMARY The Crosby Group Llc Dba the Crosby Group (USA)
G227 The Crosby Group Llc Dba the Crosby Group (USA)
Related Parts
5340-00-957-9431SUCCESSOR
NO ITEM NAME AVAILABLE
6105-01-365-4255SUCCESSOR
MOTOR,ALTERNATING CURRENT
5340-00-492-5954INTERCHANGEABLE
TURNBUCKLE
5340-00-663-3411INTERCHANGEABLE
TURNBUCKLE
G227-1-2X12
3020-00-927-9799INTERCHANGEABLE
GEAR,SPUR
2330C9005-4
5340-00-985-0408INTERCHANGEABLE
TURNBUCKLE
151-31856-17
5220-01-340-3318INTERCHANGEABLE
GAGE,CRIMPING TOOL
G227

Frequently Asked Questions

What is NSN 5340-00-663-3417?

NSN 5340-00-663-3417 is a Turnbuckle, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-663-3417?

NSN 5340-00-663-3417 has 2 cross-referenced part numbers: HG-227-1/2X6 (The Crosby Group Llc Dba the Crosby Group), G227 (The Crosby Group Llc Dba the Crosby Group).

What NSN replaces 5340-00-663-3417?

There are 7 known substitutes for 5340-00-663-3417: 5340-00-957-9431, 6105-01-365-4255, 5340-00-492-5954 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HG-227-1/2X6?

Key specifications for HG-227-1/2X6: Body Length: 7.500 INCHES NOMINAL IN; Nominal Thread Size: 0.500 INCHES BODY IN; Locking Device Type: NUT; Eye Width: 0.719 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-663-3417 still in active supply?

NSN 5340-00-663-3417 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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