PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21254-5RSConnector,rod End

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5340-00-057-7184 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-057-7184 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-057-7184. Primary manufacturer part number: MS21254-5RS.
Features
  • Connector,rod End — FSC 5340
  • Surface Treatment: CHROMIUM AND CHROMATE OVERALL
  • Radius: 0.312 INCHES NOMINAL IN
  • Material: STEEL COMP 8630 OR STEEL COMP 4130 OVERALL
  • Thread Series Designator: UNF ROD CONNECTION
  • Tongue Width: 0.625 INCHES NOMINAL IN
  • Thread Class: 3A ROD CONNECTION A
  • Shank Overall Length: 1.328 INCHES NOMINAL IN
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Steel Comp 8630 or Steel Comp 4130 Overall construction
General Description

The Connector,rod End, cataloged under National Stock Number 5340-00-057-7184, 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 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-057-7184
Primary Part NumberMS21254-5RS
Item NameConnector,rod End
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Surface TreatmentCHROMIUM AND CHROMATE OVERALL
Radius0.312 INCHES NOMINAL IN
MaterialSTEEL COMP 8630 OR STEEL COMP 4130 OVERALL
Thread Series DesignatorUNF ROD CONNECTION
Tongue Width0.625 INCHES NOMINAL IN
Thread Class3A ROD CONNECTION A
Shank Overall Length1.328 INCHES NOMINAL IN
Nominal Thread Size0.250 INCHES ROD CONNECTION IN
Thread DirectionRIGHT-HAND ROD CONNECTION
Material Document and ClassificationMIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
Style DesignatorCONNECTOR
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Tongue Thickness0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
Distance From End to Hole Center1.735 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
Thread Length0.578 INCHES MINIMUM AND 0.672 INCHES MAXIMUM ROD CONNECTION IN
Shank Outside Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
Turnbuckle Body
Connector,rod End
Cross-Reference Index
Part NumberManufacturer
MS21254-5RS 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
MS21254-5RS Loos & Co., Inc. Div Cableware Divison (USA)
Related Parts
5340-00-067-9875SUCCESSOR
TURNBUCKLE BODY
5340-00-069-0599SUCCESSOR
CONNECTOR,ROD END

Frequently Asked Questions

What is NSN 5340-00-057-7184?

NSN 5340-00-057-7184 is a Connector,rod End, 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: active.

What are the part numbers for NSN 5340-00-057-7184?

NSN 5340-00-057-7184 has 3 cross-referenced part numbers: MS21254-5RS (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), MS21254-5RS (Loos & Co., Inc. Div Cableware Divison).

What NSN replaces 5340-00-057-7184?

There are 2 known substitutes for 5340-00-057-7184: 5340-00-067-9875, 5340-00-069-0599. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21254-5RS?

Key specifications for MS21254-5RS: Surface Treatment: CHROMIUM AND CHROMATE OVERALL; Radius: 0.312 INCHES NOMINAL IN; Material: STEEL COMP 8630 OR STEEL COMP 4130 OVERALL; Thread Series Designator: UNF ROD CONNECTION. 16 total characteristics are documented in the Federal Logistics Information System.

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