PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G228Turnbuckle

The Crosby Group Llc Dba the Crosby Group · NSN 5340-00-188-0331 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-188-0331 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-188-0331. Primary manufacturer part number: G228.
Features
  • Turnbuckle — FSC 5340
  • Locking Device Type: NUT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) BODY
  • Fork Width: 0.625 INCHES NOMINAL IN
  • Thread Class: 1A BODY A
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
  • Body Length: 7.500 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Turnbuckle, cataloged under National Stock Number 5340-00-188-0331, 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 3 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-188-0331
Primary Part NumberG228
Item NameTurnbuckle
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerThe Crosby Group Llc Dba the Crosby Group
StatusCANCELLED
Locking Device TypeNUT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) BODY
Fork Width0.625 INCHES NOMINAL IN
Thread Class1A BODY A
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Body Length7.500 INCHES NOMINAL IN
Nondefinitive Spec/std Data7 CLASS AND 1 FORM AND 1 TYPE
Take-Up Distance6.000 INCHES NOMINAL IN
Nominal Thread Size0.500 INCHES BODY IN
Pinhole Diameter0.390 INCHES NOMINAL IN
End StyleCLEVIS AND CLEVIS
Body StyleROUND OPEN BODY
Length13.313 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
5340-00-187-8186ASTM F 1145-5 SUCCESSOR
Turnbuckle
Astm Institute for Standards Research (inc)
5340-00-150-4777ASTM-F1145-I1B 1/2X9 SUCCESSOR
Turnbuckle
American Society for Testing and Materials Dba Astm International
5340-00-168-6315MS27120-10 SUCCESSOR
Clevis,rod End
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-179-9249MS27120-5 SUCCESSOR
Clevis,rod End
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-179-9250MS27954-3 SUCCESSOR
Turnbuckle Body
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-184-2783MS27120-8 SUCCESSOR
Clevis,rod End
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-187-8174ASTM-F1145-I1D 3/8X6 SUCCESSOR
Turnbuckle
American Society for Testing and Materials Dba Astm International
5340-00-187-8176ASTM-F1145-I1D 1/2X9 SUCCESSOR
Turnbuckle
American Society for Testing and Materials Dba Astm International
5340-00-187-8179ASTM-F1145-I1D 5/8X9 SUCCESSOR
Turnbuckle
American Society for Testing and Materials Dba Astm International
Cross-Reference Index
Part NumberManufacturer
FF-T-791 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
G-228 (CROSBY G ROUP) Zf Industrieantriebe Witten Gmbh (DEU)
G228 PRIMARY The Crosby Group Llc Dba the Crosby Group (USA)
Related Parts
5340-00-663-3413SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-187-8186SUCCESSOR
TURNBUCKLE
ASTM F 1145-5
5340-00-150-4777SUCCESSOR
TURNBUCKLE
ASTM-F1145-I1B 1/2X9
5340-00-168-6315SUCCESSOR
CLEVIS,ROD END
MS27120-10
5340-00-179-9249SUCCESSOR
CLEVIS,ROD END
MS27120-5
5340-00-179-9250SUCCESSOR
TURNBUCKLE BODY
MS27954-3
5340-00-184-2783SUCCESSOR
CLEVIS,ROD END
MS27120-8
5340-00-187-8174SUCCESSOR
TURNBUCKLE
ASTM-F1145-I1D 3/8X6
5340-00-187-8176SUCCESSOR
TURNBUCKLE
ASTM-F1145-I1D 1/2X9
5340-00-187-8179SUCCESSOR
TURNBUCKLE
ASTM-F1145-I1D 5/8X9
5340-00-187-8180SUCCESSOR
TURNBUCKLE
ASTM-F1145-I1D 5/8X12
5340-00-187-8184SUCCESSOR
TURNBUCKLE
ASTM-F1145-I1D 1/4X4

Frequently Asked Questions

What is NSN 5340-00-188-0331?

NSN 5340-00-188-0331 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 5340-00-188-0331?

NSN 5340-00-188-0331 has 3 cross-referenced part numbers: FF-T-791 (Federal Specifications Promulgated by General Services Administration Washington DC), G-228 (CROSBY G ROUP) (Zf Industrieantriebe Witten Gmbh), G228 (The Crosby Group Llc Dba the Crosby Group).

What NSN replaces 5340-00-188-0331?

There are 12 known substitutes for 5340-00-188-0331: 5340-00-663-3413, 5340-00-187-8186, 5340-00-150-4777 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G228?

Key specifications for G228: Locking Device Type: NUT; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) BODY; Fork Width: 0.625 INCHES NOMINAL IN; Thread Class: 1A BODY A. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-188-0331 still in active supply?

NSN 5340-00-188-0331 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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