PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21260-7LHTerminal,wire Rope,stud

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4030-00-580-6778 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-00-580-6778 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-580-6778. Primary manufacturer part number: MS21260-7LH.
Features
  • Terminal,wire Rope,stud — FSC 4030
  • Width Across Flats: 0.438 INCHES NOMINAL IN
  • Thread Length: 0.828 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
  • Material: STEEL COMP 303SE AND STEEL COMP 305
  • Plain Shank Diameter: 0.422 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
  • Thread Series Designator: UNF
  • Surface Treatment: PASSIVATE
  • Thread Quantity Per Inch: 24
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Steel Comp 303SE and Steel Comp 305 construction
General Description

The Terminal,wire Rope,stud, cataloged under National Stock Number 4030-00-580-6778, is classified within Federal Supply Class 4030 (No Item Name Available) of the Rope, Cable, Chain, and Fittings 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4030-00-580-6778
Primary Part NumberMS21260-7LH
Item NameTerminal,wire Rope,stud
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Width Across Flats0.438 INCHES NOMINAL IN
Thread Length0.828 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
MaterialSTEEL COMP 303SE AND STEEL COMP 305
Plain Shank Diameter0.422 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Surface TreatmentPASSIVATE
Thread Quantity Per Inch24
Nominal Thread Size0.375 INCHES IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES
Breaking StrengthERR-060
Style DesignatorTHREADED
Undercut Diameter0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Hole Diameter0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Accommodated Material Diameter0.219 INCHES NOMINAL IN
Specification/standard Data80205-NAS650 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Class3A A
Thread DirectionLEFT-HAND
Plain Shank Length2.188 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
Inside Diameter0.234 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4030-00-132-9180 INTERCHANGEABLE
Terminal,rope,swaging
4030-00-298-3419 INTERCHANGEABLE
Terminal,rope,swaging
4030-00-580-6773 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6775 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6776 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6777 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6779 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6781 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6786 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6787 INTERCHANGEABLE
Terminal,wire Rope,stud
Cross-Reference Index
Part NumberManufacturer
MS21260-7LH Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
NAS650L7LH National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-DTL-781 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN666-7LH Aeronautical Standards Group Dept of Navy and Air Force (USA)
669-7LH Southco Inc. (USA)
669-7LH Macwhyte Co Div of Amsted Industries Inc (USA)
MILT781 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN669-7LH Aeronautical Standards Group Dept of Navy and Air Force (USA)
669-7LH Hartwell Corporation (USA)
669-7LH Acco Industries Inc Sub of Babcock Intl Inc (USA)
AN669F7LH Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
4030-00-132-9180INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
4030-00-298-3419INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
4030-00-580-6773INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6775INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6776INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6777INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6779INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6781INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6786INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6787INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6792INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-641-3921INTERCHANGEABLE
SWAGING SLEEVE,AIRC
BACT14A6

Frequently Asked Questions

What is NSN 4030-00-580-6778?

NSN 4030-00-580-6778 is a Terminal,wire Rope,stud, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4030 (No Item Name Available). Status: active.

What are the part numbers for NSN 4030-00-580-6778?

NSN 4030-00-580-6778 has 11 cross-referenced part numbers: MS21260-7LH (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), NAS650L7LH (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-DTL-781 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN666-7LH (Aeronautical Standards Group Dept of Navy and Air Force), 669-7LH (Southco Inc.) and 6 more.

What NSN replaces 4030-00-580-6778?

There are 12 known substitutes for 4030-00-580-6778: 4030-00-132-9180, 4030-00-298-3419, 4030-00-580-6773 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21260-7LH?

Key specifications for MS21260-7LH: Width Across Flats: 0.438 INCHES NOMINAL IN; Thread Length: 0.828 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN; Material: STEEL COMP 303SE AND STEEL COMP 305; Plain Shank Diameter: 0.422 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN. 20 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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