PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27954-3Turnbuckle Body

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-00-179-9250 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-179-9250 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-179-9250. Primary manufacturer part number: MS27954-3.
Features
  • Turnbuckle Body — FSC 5340
  • Thread Class: 2B BODY
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
  • Body Length: 7.124 INCHES MINIMUM IN
  • Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 FORM AND 2 CLASS
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) BODY
Applications
  • Applications requiring Steel Overall construction
General Description

The Turnbuckle Body, cataloged under National Stock Number 5340-00-179-9250, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5340-00-179-9250
Primary Part NumberMS27954-3
Item NameTurnbuckle Body
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread Class2B BODY
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Body Length7.124 INCHES MINIMUM IN
Surface Treatment Document and ClassificationASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Nondefinitive Spec/std Data1 TYPE AND 1 FORM AND 2 CLASS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) BODY
Body StyleROUND OPEN BODY
Nominal Thread Size0.375 INCHES BODY IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-003-6685
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)
Bolt,eye
Turnbuckle
Bolt,eye
Bolt,hook
Bolt,eye
5340-00-158-4230G225-5-16X4-1-2 SUCCESSOR
Turnbuckle
The Crosby Group Llc Dba the Crosby Group
Turnbuckle
Turnbuckle
Cross-Reference Index
Part NumberManufacturer
MS27954-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FF-T-791 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
S-2510-3/8-6 The Crosby Group Llc Dba the Crosby Group (USA)
NASM27954 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS27954-3 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
FF-T-91 TY1FM1CL2 General Services Administration Federal Supply Service (USA)
Related Parts
SUCCESSOR 5306-00-003-6685 Bolt,eye
5340-00-817-5863SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-187-8186SUCCESSOR
TURNBUCKLE
ASTM F 1145-5
5340-00-052-2622SUCCESSOR
TURNBUCKLE
5306-00-107-9048SUCCESSOR
BOLT,EYE
5306-00-140-4782SUCCESSOR
BOLT,HOOK
5306-00-141-7179SUCCESSOR
BOLT,EYE
5340-00-158-4230SUCCESSOR
TURNBUCKLE
G225-5-16X4-1-2
5340-00-187-8175SUCCESSOR
TURNBUCKLE
5340-00-187-8177SUCCESSOR
TURNBUCKLE
5340-00-187-8181SUCCESSOR
TURNBUCKLE
5340-00-187-8182SUCCESSOR
TURNBUCKLE

Frequently Asked Questions

What is NSN 5340-00-179-9250?

NSN 5340-00-179-9250 is a Turnbuckle Body, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-179-9250?

NSN 5340-00-179-9250 has 6 cross-referenced part numbers: MS27954-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FF-T-791 (Federal Specifications Promulgated by General Services Administration Washington DC), S-2510-3/8-6 (The Crosby Group Llc Dba the Crosby Group), NASM27954 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS27954-3 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 1 more.

What NSN replaces 5340-00-179-9250?

There are 12 known substitutes for 5340-00-179-9250: 5340-00-817-5863, 5340-00-187-8186, 5306-00-003-6685 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27954-3?

Key specifications for MS27954-3: Thread Class: 2B BODY; Material: STEEL OVERALL; Surface Treatment: ZINC OVERALL; Body Length: 7.124 INCHES MINIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-179-9250 still in active supply?

NSN 5340-00-179-9250 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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