PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21251-B9LTurnbuckle Body

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5340-00-067-9887 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-067-9887 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-067-9887. Primary manufacturer part number: MS21251-B9L.
Features
  • Turnbuckle Body — FSC 5340
  • Thread Series Designator: UNF BODY
  • Body Length: 4.219 INCHES MINIMUM AND 4.281 INCHES MAXIMUM IN
  • Thread Class: 3B BODY
  • Nominal Thread Size: 0.438 INCHES BODY IN
  • Material Document and Classification: QQ-B-637,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 482 OVERALL
  • Body Style: ROUND BODY W/LOCKING DEVICE
Applications
  • Applications requiring Copper Alloy 482 Overall construction
General Description

The Turnbuckle Body, cataloged under National Stock Number 5340-00-067-9887, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-067-9887
Primary Part NumberMS21251-B9L
Item NameTurnbuckle Body
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Thread Series DesignatorUNF BODY
Body Length4.219 INCHES MINIMUM AND 4.281 INCHES MAXIMUM IN
Thread Class3B BODY
Nominal Thread Size0.438 INCHES BODY IN
Material Document and ClassificationQQ-B-637,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 482 OVERALL
Body StyleROUND BODY W/LOCKING DEVICE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
No Item Name Available
Turnbuckle Body
Connector,rod End
Cross-Reference Index
Part NumberManufacturer
MS21251-B9L Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-8878 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5340-00-184-4471SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-067-9875SUCCESSOR
TURNBUCKLE BODY
5340-00-069-0599SUCCESSOR
CONNECTOR,ROD END

Frequently Asked Questions

What is NSN 5340-00-067-9887?

NSN 5340-00-067-9887 is a Turnbuckle Body, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-067-9887?

NSN 5340-00-067-9887 has 2 cross-referenced part numbers: MS21251-B9L (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-8878 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-00-067-9887?

There are 3 known substitutes for 5340-00-067-9887: 5340-00-184-4471, 5340-00-067-9875, 5340-00-069-0599. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21251-B9L?

Key specifications for MS21251-B9L: Thread Series Designator: UNF BODY; Body Length: 4.219 INCHES MINIMUM AND 4.281 INCHES MAXIMUM IN; Thread Class: 3B BODY; Nominal Thread Size: 0.438 INCHES BODY IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-067-9887 still in active supply?

NSN 5340-00-067-9887 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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